// Copyright (c) 2006 Sébastien Gruhier (http://xilinus.com, http://itseb.com)
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// VERSION 1.3
if (typeof (Class) == "undefined"){
	//alert("ERROR");
}else{
	var Window = Class.create();
	
	Window.keepMultiModalWindow = false;
	Window.hasEffectLib = (typeof Effect != 'undefined');
	Window.resizeEffectDuration = 0.4;
	
	Window.prototype = {
	  // Constructor
	  // Available parameters : className, blurClassName, title, minWidth, minHeight, maxWidth, maxHeight, width, height, top, left, bottom, right, resizable, zIndex, opacity, recenterAuto, wiredDrag
	  //                        hideEffect, showEffect, showEffectOptions, hideEffectOptions, effectOptions, url, draggable, closable, minimizable, maximizable, parent, onload
	  //                        add all callbacks (if you do not use an observer)
	  //                        onDestroy onStartResize onStartMove onResize onMove onEndResize onEndMove onFocus onBlur onBeforeShow onShow onHide onMinimize onMaximize onClose
	  
	  initialize: function() {
		var id;
		var optionIndex = 0;
		// For backward compatibility like win= new Window("id", {...}) instead of win = new Window({id: "id", ...})
		if (arguments.length > 0) {
		  if (typeof arguments[0] == "string" ) {
			id = arguments[0];
			optionIndex = 1;
		  }
		  else
			id = arguments[0] ? arguments[0].id : null;
		}
		
		// Generate unique ID if not specified
		if (!id)
		  id = "window_" + new Date().getTime();
		  
		if ($(id))
		  alert("Window " + id + " is already registered in the DOM! Make sure you use setDestroyOnClose() or destroyOnClose: true in the constructor");
	
		this.options = Object.extend({
		  className:         "dialog",
		  blurClassName:     null,
		  minWidth:          100, 
		  minHeight:         20,
		  resizable:         true,
		  closable:          true,
		  minimizable:       true,
		  maximizable:       true,
		  draggable:         true,
		  userData:          null,
		  showEffect:        (Window.hasEffectLib ? Effect.Appear : Element.show),
		  hideEffect:        (Window.hasEffectLib ? Effect.Fade : Element.hide),
		  showEffectOptions: {},
		  hideEffectOptions: {},
		  effectOptions:     null,
		  parent:            document.body,
		  title:             " ",
		  url:               null,
		  onload:            Prototype.emptyFunction,
		  width:             200,
		  height:            300,
		  opacity:           1,
		  recenterAuto:      true,
		  wiredDrag:         false,
		  closeCallback:     null,
		  destroyOnClose:    false,
		  gridX:             1, 
		  gridY:             1      
		}, arguments[optionIndex] || {});
		if (this.options.blurClassName)
		  this.options.focusClassName = this.options.className;
		  
		if (typeof this.options.top == "undefined" &&  typeof this.options.bottom ==  "undefined") 
		  this.options.top = this._round(Math.random()*500, this.options.gridY);
		if (typeof this.options.left == "undefined" &&  typeof this.options.right ==  "undefined") 
		  this.options.left = this._round(Math.random()*500, this.options.gridX);
	
		if (this.options.effectOptions) {
		  Object.extend(this.options.hideEffectOptions, this.options.effectOptions);
		  Object.extend(this.options.showEffectOptions, this.options.effectOptions);
		  if (this.options.showEffect == Element.Appear)
			this.options.showEffectOptions.to = this.options.opacity;
		}
		if (Window.hasEffectLib) {
		  if (this.options.showEffect == Effect.Appear)
			this.options.showEffectOptions.to = this.options.opacity;
		
		  if (this.options.hideEffect == Effect.Fade)
			this.options.hideEffectOptions.from = this.options.opacity;
		}
		if (this.options.hideEffect == Element.hide)
		  this.options.hideEffect = function(){ Element.hide(this.element); if (this.options.destroyOnClose) this.destroy(); }.bind(this)
		
		if (this.options.parent != document.body)  
		  this.options.parent = $(this.options.parent);
		  
		this.element = this._createWindow(id);       
		this.element.win = this;
		
		// Bind event listener
		this.eventMouseDown = this._initDrag.bindAsEventListener(this);
		this.eventMouseUp   = this._endDrag.bindAsEventListener(this);
		this.eventMouseMove = this._updateDrag.bindAsEventListener(this);
		this.eventOnLoad    = this._getWindowBorderSize.bindAsEventListener(this);
		this.eventMouseDownContent = this.toFront.bindAsEventListener(this);
		this.eventResize = this._recenter.bindAsEventListener(this);
	 
		this.topbar = $(this.element.id + "_top");
		this.bottombar = $(this.element.id + "_bottom");
		this.content = $(this.element.id + "_content");
		
		Event.observe(this.topbar, "mousedown", this.eventMouseDown);
		Event.observe(this.bottombar, "mousedown", this.eventMouseDown);
		Event.observe(this.content, "mousedown", this.eventMouseDownContent);
		Event.observe(window, "load", this.eventOnLoad);
		Event.observe(window, "resize", this.eventResize);
		Event.observe(window, "scroll", this.eventResize);
		Event.observe(this.options.parent, "scroll", this.eventResize);
		
		if (this.options.draggable)  {
		  var that = this;
		  [this.topbar, this.topbar.up().previous(), this.topbar.up().next()].each(function(element) {
			element.observe("mousedown", that.eventMouseDown);
			element.addClassName("top_draggable");
		  });
		  [this.bottombar.up(), this.bottombar.up().previous(), this.bottombar.up().next()].each(function(element) {
			element.observe("mousedown", that.eventMouseDown);
			element.addClassName("bottom_draggable");
		  });
		  
		}    
		
		if (this.options.resizable) {
		  this.sizer = $(this.element.id + "_sizer");
		  Event.observe(this.sizer, "mousedown", this.eventMouseDown);
		}  
		
		this.useLeft = null;
		this.useTop = null;
		if (typeof this.options.left != "undefined") {
		  this.element.setStyle({left: parseFloat(this.options.left) + 'px'});
		  this.useLeft = true;
		}
		else {
		  this.element.setStyle({right: parseFloat(this.options.right) + 'px'});
		  this.useLeft = false;
		}
		
		if (typeof this.options.top != "undefined") {
		  this.element.setStyle({top: parseFloat(this.options.top) + 'px'});
		  this.useTop = true;
		}
		else {
		  this.element.setStyle({bottom: parseFloat(this.options.bottom) + 'px'});      
		  this.useTop = false;
		}
		  
		this.storedLocation = null;
		
		this.setOpacity(this.options.opacity);
		if (this.options.zIndex)
		  this.setZIndex(this.options.zIndex)
	
		if (this.options.destroyOnClose)
		  this.setDestroyOnClose(true);
	
		this._getWindowBorderSize();
		this.width = this.options.width;
		this.height = this.options.height;
		this.visible = false;
		
		this.constraint = false;
		this.constraintPad = {top: 0, left:0, bottom:0, right:0};
		
		if (this.width && this.height)
		  this.setSize(this.options.width, this.options.height);
		this.setTitle(this.options.title)
		Windows.register(this);      
	  },
	  
	  // Destructor
	  destroy: function() {
		this._notify("onDestroy");
		Event.stopObserving(this.topbar, "mousedown", this.eventMouseDown);
		Event.stopObserving(this.bottombar, "mousedown", this.eventMouseDown);
		Event.stopObserving(this.content, "mousedown", this.eventMouseDownContent);
		
		Event.stopObserving(window, "load", this.eventOnLoad);
		Event.stopObserving(window, "resize", this.eventResize);
		Event.stopObserving(window, "scroll", this.eventResize);
		
		Event.stopObserving(this.content, "load", this.options.onload);
	
		if (this._oldParent) {
		  var content = this.getContent();
		  var originalContent = null;
		  for(var i = 0; i < content.childNodes.length; i++) {
			originalContent = content.childNodes[i];
			if (originalContent.nodeType == 1) 
			  break;
			originalContent = null;
		  }
		  if (originalContent)
			this._oldParent.appendChild(originalContent);
		  this._oldParent = null;
		}
	
		if (this.sizer)
			Event.stopObserving(this.sizer, "mousedown", this.eventMouseDown);
	
		if (this.options.url) 
		  this.content.src = null
	
		 if(this.iefix) 
		  Element.remove(this.iefix);
	
		Element.remove(this.element);
		Windows.unregister(this);      
	  },
		
	  // Sets close callback, if it sets, it should return true to be able to close the window.
	  setCloseCallback: function(callback) {
		this.options.closeCallback = callback;
	  },
	  
	  // Gets window content
	  getContent: function () {
		return this.content;
	  },
	  
	  // Sets the content with an element id
	  setContent: function(id, autoresize, autoposition) {
		var element = $(id);
		if (null == element) throw "Unable to find element '" + id + "' in DOM";
		this._oldParent = element.parentNode;
	
		var d = null;
		var p = null;
	
		if (autoresize) 
		  d = Element.getDimensions(element);
		if (autoposition) 
		  p = Position.cumulativeOffset(element);
	
		var content = this.getContent();
		// Clear HTML (and even iframe)
		this.setHTMLContent("");
		content = this.getContent();
		
		content.appendChild(element);
		element.show();
		if (autoresize) 
		  this.setSize(d.width, d.height);
		if (autoposition) 
		  this.setLocation(p[1] - this.heightN, p[0] - this.widthW);    
	  },
	  
	  setHTMLContent: function(html) {
		// It was an url (iframe), recreate a div content instead of iframe content
		if (this.options.url) {
		  this.content.src = null;
		  this.options.url = null;
		  
		  var content ="<div id=\"" + this.getId() + "_content\" class=\"" + this.options.className + "_content\"> </div>";
		  $(this.getId() +"_table_content").innerHTML = content;
		  
		  this.content = $(this.element.id + "_content");
		}
		  
		this.getContent().innerHTML = html;
	  },
	  
	  setAjaxContent: function(url, options, showCentered, showModal) {
		this.showFunction = showCentered ? "showCenter" : "show";
		this.showModal = showModal || false;
	  
		options = options || {};
	
		// Clear HTML (and even iframe)
		this.setHTMLContent("");
	 
		this.onComplete = options.onComplete;
		if (! this._onCompleteHandler)
		  this._onCompleteHandler = this._setAjaxContent.bind(this);
		options.onComplete = this._onCompleteHandler;
	
		new Ajax.Request(url, options);    
		options.onComplete = this.onComplete;
	  },
	  
	  _setAjaxContent: function(originalRequest) {
		Element.update(this.getContent(), originalRequest.responseText);
		if (this.onComplete)
		  this.onComplete(originalRequest);
		this.onComplete = null;
		this[this.showFunction](this.showModal)
	  },
	  
	  setURL: function(url) {
		// Not an url content, change div to iframe
		if (this.options.url) 
		  this.content.src = null;
		this.options.url = url;
		var content= "<iframe frameborder='0' name='" + this.getId() + "_content'  id='" + this.getId() + "_content' src='" + url + "' width='" + this.width + "' height='" + this.height + "'> </iframe>";
		$(this.getId() +"_table_content").innerHTML = content;
		
		this.content = $(this.element.id + "_content");
	  },
	
	  getURL: function() {
		return this.options.url ? this.options.url : null;
	  },
	
	  refresh: function() {
		if (this.options.url)
			$(this.element.getAttribute('id') + '_content').src = this.options.url;
	  },
	  
	  // Stores position/size in a cookie, by default named with window id
	  setCookie: function(name, expires, path, domain, secure) {
		name = name || this.element.id;
		this.cookie = [name, expires, path, domain, secure];
		
		// Get cookie
		var value = WindowUtilities.getCookie(name)
		// If exists
		if (value) {
		  var values = value.split(',');
		  var x = values[0].split(':');
		  var y = values[1].split(':');
	
		  var w = parseFloat(values[2]), h = parseFloat(values[3]);
		  var mini = values[4];
		  var maxi = values[5];
	
		  this.setSize(w, h);
		  if (mini == "true")
			this.doMinimize = true; // Minimize will be done at onload window event
		  else if (maxi == "true")
			this.doMaximize = true; // Maximize will be done at onload window event
	
		  this.useLeft = x[0] == "l";
		  this.useTop = y[0] == "t";
	
		  this.element.setStyle(this.useLeft ? {left: x[1]} : {right: x[1]});
		  this.element.setStyle(this.useTop ? {top: y[1]} : {bottom: y[1]});
		}
	  },
	  
	  // Gets window ID
	  getId: function() {
		return this.element.id;
	  },
	  
	  // Detroys itself when closing 
	  setDestroyOnClose: function() {
		this.options.destroyOnClose = true;
	  },
	  
	  setConstraint: function(bool, padding) {
		this.constraint = bool;
		this.constraintPad = Object.extend(this.constraintPad, padding || {});
		// Reset location to apply constraint
		if (this.useTop && this.useLeft)
		  this.setLocation(parseFloat(this.element.style.top), parseFloat(this.element.style.left));
	  },
	  
	  // initDrag event
	
	  _initDrag: function(event) {
		// No resize on minimized window
		if (Event.element(event) == this.sizer && this.isMinimized())
		  return;
	
		// No move on maximzed window
		if (Event.element(event) != this.sizer && this.isMaximized())
		  return;
		  
		if (Prototype.Browser.IE && this.heightN == 0)
		  this._getWindowBorderSize();
		
		// Get pointer X,Y
		this.pointer = [this._round(Event.pointerX(event), this.options.gridX), this._round(Event.pointerY(event), this.options.gridY)];
		if (this.options.wiredDrag) 
		  this.currentDrag = this._createWiredElement();
		else
		  this.currentDrag = this.element;
		  
		// Resize
		if (Event.element(event) == this.sizer) {
		  this.doResize = true;
		  this.widthOrg = this.width;
		  this.heightOrg = this.height;
		  this.bottomOrg = parseFloat(this.element.getStyle('bottom'));
		  this.rightOrg = parseFloat(this.element.getStyle('right'));
		  this._notify("onStartResize");
		}
		else {
		  this.doResize = false;
	
		  // Check if click on close button, 
		  var closeButton = $(this.getId() + '_close');
		  if (closeButton && Position.within(closeButton, this.pointer[0], this.pointer[1])) {
			this.currentDrag = null;
			return;
		  }
	
		  this.toFront();
	
		  if (! this.options.draggable) 
			return;
		  this._notify("onStartMove");
		}    
		// Register global event to capture mouseUp and mouseMove
		Event.observe(document, "mouseup", this.eventMouseUp, false);
		Event.observe(document, "mousemove", this.eventMouseMove, false);
		
		// Add an invisible div to keep catching mouse event over iframes
		WindowUtilities.disableScreen('__invisible__', '__invisible__', this.overlayOpacity);
	
		// Stop selection while dragging
		document.body.ondrag = function () { return false; };
		document.body.onselectstart = function () { return false; };
		
		this.currentDrag.show();
		Event.stop(event);
	  },
	  
	  _round: function(val, round) {
		return round == 1 ? val  : val = Math.floor(val / round) * round;
	  },
	
	  // updateDrag event
	  _updateDrag: function(event) {
		var pointer =  [this._round(Event.pointerX(event), this.options.gridX), this._round(Event.pointerY(event), this.options.gridY)];  
		var dx = pointer[0] - this.pointer[0];
		var dy = pointer[1] - this.pointer[1];
		
		// Resize case, update width/height
		if (this.doResize) {
		  var w = this.widthOrg + dx;
		  var h = this.heightOrg + dy;
		  
		  dx = this.width - this.widthOrg
		  dy = this.height - this.heightOrg
		  
		  // Check if it's a right position, update it to keep upper-left corner at the same position
		  if (this.useLeft) 
			w = this._updateWidthConstraint(w)
		  else 
			this.currentDrag.setStyle({right: (this.rightOrg -dx) + 'px'});
		  // Check if it's a bottom position, update it to keep upper-left corner at the same position
		  if (this.useTop) 
			h = this._updateHeightConstraint(h)
		  else
			this.currentDrag.setStyle({bottom: (this.bottomOrg -dy) + 'px'});
			
		  this.setSize(w , h);
		  this._notify("onResize");
		}
		// Move case, update top/left
		else {
		  this.pointer = pointer;
		  
		  if (this.useLeft) {
			var left =  parseFloat(this.currentDrag.getStyle('left')) + dx;
			var newLeft = this._updateLeftConstraint(left);
			// Keep mouse pointer correct
			this.pointer[0] += newLeft-left;
			this.currentDrag.setStyle({left: newLeft + 'px'});
		  }
		  else 
			this.currentDrag.setStyle({right: parseFloat(this.currentDrag.getStyle('right')) - dx + 'px'});
		  
		  if (this.useTop) {
			var top =  parseFloat(this.currentDrag.getStyle('top')) + dy;
			var newTop = this._updateTopConstraint(top);
			// Keep mouse pointer correct
			this.pointer[1] += newTop - top;
			this.currentDrag.setStyle({top: newTop + 'px'});
		  }
		  else 
			this.currentDrag.setStyle({bottom: parseFloat(this.currentDrag.getStyle('bottom')) - dy + 'px'});
	
		  this._notify("onMove");
		}
		if (this.iefix) 
		  this._fixIEOverlapping(); 
		  
		this._removeStoreLocation();
		Event.stop(event);
	  },
	
	   // endDrag callback
	   _endDrag: function(event) {
		// Remove temporary div over iframes
		 WindowUtilities.enableScreen('__invisible__');
		
		if (this.doResize)
		  this._notify("onEndResize");
		else
		  this._notify("onEndMove");
		
		// Release event observing
		Event.stopObserving(document, "mouseup", this.eventMouseUp,false);
		Event.stopObserving(document, "mousemove", this.eventMouseMove, false);
	
		Event.stop(event);
		
		this._hideWiredElement();
	
		// Store new location/size if need be
		this._saveCookie()
		  
		// Restore selection
		document.body.ondrag = null;
		document.body.onselectstart = null;
	  },
	
	  _updateLeftConstraint: function(left) {
		if (this.constraint && this.useLeft && this.useTop) {
		  var width = this.options.parent == document.body ? WindowUtilities.getPageSize().windowWidth : this.options.parent.getDimensions().width;
	
		  if (left < this.constraintPad.left)
			left = this.constraintPad.left;
		  if (left + this.width + this.widthE + this.widthW > width - this.constraintPad.right) 
			left = width - this.constraintPad.right - this.width - this.widthE - this.widthW;
		}
		return left;
	  },
	  
	  _updateTopConstraint: function(top) {
		if (this.constraint && this.useLeft && this.useTop) {        
		  var height = this.options.parent == document.body ? WindowUtilities.getPageSize().windowHeight : this.options.parent.getDimensions().height;
		  
		  var h = this.height + this.heightN + this.heightS;
	
		  if (top < this.constraintPad.top)
			top = this.constraintPad.top;
		  if (top + h > height - this.constraintPad.bottom) 
			top = height - this.constraintPad.bottom - h;
		}
		return top;
	  },
	  
	  _updateWidthConstraint: function(w) {
		if (this.constraint && this.useLeft && this.useTop) {
		  var width = this.options.parent == document.body ? WindowUtilities.getPageSize().windowWidth : this.options.parent.getDimensions().width;
		  var left =  parseFloat(this.element.getStyle("left"));
	
		  if (left + w + this.widthE + this.widthW > width - this.constraintPad.right) 
			w = width - this.constraintPad.right - left - this.widthE - this.widthW;
		}
		return w;
	  },
	  
	  _updateHeightConstraint: function(h) {
		if (this.constraint && this.useLeft && this.useTop) {
		  var height = this.options.parent == document.body ? WindowUtilities.getPageSize().windowHeight : this.options.parent.getDimensions().height;
		  var top =  parseFloat(this.element.getStyle("top"));
	
		  if (top + h + this.heightN + this.heightS > height - this.constraintPad.bottom) 
			h = height - this.constraintPad.bottom - top - this.heightN - this.heightS;
		}
		return h;
	  },
	  
	  
	  // Creates HTML window code
	  _createWindow: function(id) {
		var className = this.options.className;
		var win = document.createElement("div");
		win.setAttribute('id', id);
		win.className = "dialog";
	
		var content;
		if (this.options.url)
		  content= "<iframe frameborder=\"0\" name=\"" + id + "_content\"  id=\"" + id + "_content\" src=\"" + this.options.url + "\"> </iframe>";
		else
		  content ="<div id=\"" + id + "_content\" class=\"" +className + "_content\"> </div>";
	
		var closeDiv = this.options.closable ? "<div class='"+ className +"_close' id='"+ id +"_close' onclick='Windows.close(\""+ id +"\", event)'> </div>" : "";
		var minDiv = this.options.minimizable ? "<div class='"+ className + "_minimize' id='"+ id +"_minimize' onclick='Windows.minimize(\""+ id +"\", event)'> </div>" : "";
		var maxDiv = this.options.maximizable ? "<div class='"+ className + "_maximize' id='"+ id +"_maximize' onclick='Windows.maximize(\""+ id +"\", event)'> </div>" : "";
		var seAttributes = this.options.resizable ? "class='" + className + "_sizer' id='" + id + "_sizer'" : "class='"  + className + "_se'";
		var blank = "../themes/default/blank.gif";
		
		win.innerHTML = closeDiv + minDiv + maxDiv + "\
		  <table id='"+ id +"_row1' class=\"top table_window\">\
			<tr>\
			  <td class='"+ className +"_nw'></td>\
			  <td class='"+ className +"_n'><div id='"+ id +"_top' class='"+ className +"_title title_window'>"+ this.options.title +"</div></td>\
			  <td class='"+ className +"_ne'></td>\
			</tr>\
		  </table>\
		  <table id='"+ id +"_row2' class=\"mid table_window\">\
			<tr>\
			  <td class='"+ className +"_w'></td>\
				<td id='"+ id +"_table_content' class='"+ className +"_content' valign='top'>" + content + "</td>\
			  <td class='"+ className +"_e'></td>\
			</tr>\
		  </table>\
			<table id='"+ id +"_row3' class=\"bot table_window\">\
			<tr>\
			  <td class='"+ className +"_sw'></td>\
				<td class='"+ className +"_s'><div id='"+ id +"_bottom' class='status_bar'><span style='float:left; width:1px; height:1px'></span></div></td>\
				<td " + seAttributes + "></td>\
			</tr>\
		  </table>\
		";
		Element.hide(win);
		this.options.parent.insertBefore(win, this.options.parent.firstChild);
		Event.observe($(id + "_content"), "load", this.options.onload);
		return win;
	  },
	  
	  
	  changeClassName: function(newClassName) {    
		var className = this.options.className;
		var id = this.getId();
		$A(["_close", "_minimize", "_maximize", "_sizer", "_content"]).each(function(value) { this._toggleClassName($(id + value), className + value, newClassName + value) }.bind(this));
		this._toggleClassName($(id + "_top"), className + "_title", newClassName + "_title");
		$$("#" + id + " td").each(function(td) {td.className = td.className.sub(className,newClassName); });
		this.options.className = newClassName;
	  },
	  
	  _toggleClassName: function(element, oldClassName, newClassName) { 
		if (element) {
		  element.removeClassName(oldClassName);
		  element.addClassName(newClassName);
		}
	  },
	  
	  // Sets window location
	  setLocation: function(top, left) {
		top = this._updateTopConstraint(top);
		left = this._updateLeftConstraint(left);
	
		var e = this.currentDrag || this.element;
		e.setStyle({top: top + 'px'});
		e.setStyle({left: left + 'px'});
	
		this.useLeft = true;
		this.useTop = true;
	  },
		
	  getLocation: function() {
		var location = {};
		if (this.useTop)
		  location = Object.extend(location, {top: this.element.getStyle("top")});
		else
		  location = Object.extend(location, {bottom: this.element.getStyle("bottom")});
		if (this.useLeft)
		  location = Object.extend(location, {left: this.element.getStyle("left")});
		else
		  location = Object.extend(location, {right: this.element.getStyle("right")});
		
		return location;
	  },
	  
	  // Gets window size
	  getSize: function() {
		return {width: this.width, height: this.height};
	  },
		
	  // Sets window size
	  setSize: function(width, height, useEffect) {    
		width = parseFloat(width);
		height = parseFloat(height);
		
		// Check min and max size
		if (!this.minimized && width < this.options.minWidth)
		  width = this.options.minWidth;
	
		if (!this.minimized && height < this.options.minHeight)
		  height = this.options.minHeight;
		  
		if (this.options. maxHeight && height > this.options. maxHeight)
		  height = this.options. maxHeight;
	
		if (this.options. maxWidth && width > this.options. maxWidth)
		  width = this.options. maxWidth;
	
		
		if (this.useTop && this.useLeft && Window.hasEffectLib && Effect.ResizeWindow && useEffect) {
		  new Effect.ResizeWindow(this, null, null, width, height, {duration: Window.resizeEffectDuration});
		} else {
		  this.width = width;
		  this.height = height;
		  var e = this.currentDrag ? this.currentDrag : this.element;
	
		  e.setStyle({width: width + this.widthW + this.widthE + "px"})
		  e.setStyle({height: height  + this.heightN + this.heightS + "px"})
	
		  // Update content size
		  if (!this.currentDrag || this.currentDrag == this.element) {
			var content = $(this.element.id + '_content');
			content.setStyle({height: height  + 'px'});
			content.setStyle({width: width  + 'px'});
		  }
		}
	  },
	  
	  updateHeight: function() {
		this.setSize(this.width, this.content.scrollHeight, true);
	  },
	  
	  updateWidth: function() {
		this.setSize(this.content.scrollWidth, this.height, true);
	  },
	  
	  // Brings window to front
	  toFront: function() {
		if (this.element.style.zIndex < Windows.maxZIndex)  
		  this.setZIndex(Windows.maxZIndex + 1);
		if (this.iefix) 
		  this._fixIEOverlapping(); 
	  },
	   
	  getBounds: function(insideOnly) {
		if (! this.width || !this.height || !this.visible)  
		  this.computeBounds();
		var w = this.width;
		var h = this.height;
	
		if (!insideOnly) {
		  w += this.widthW + this.widthE;
		  h += this.heightN + this.heightS;
		}
		var bounds = Object.extend(this.getLocation(), {width: w + "px", height: h + "px"});
		return bounds;
	  },
		  
	  computeBounds: function() {
		 if (! this.width || !this.height) {
		  var size = WindowUtilities._computeSize(this.content.innerHTML, this.content.id, this.width, this.height, 0, this.options.className)
		  if (this.height)
			this.width = size + 5
		  else
			this.height = size + 5
		}
	
		this.setSize(this.width, this.height);
		if (this.centered)
		  this._center(this.centerTop, this.centerLeft);    
	  },
	  
	  // Displays window modal state or not
	  show: function(modal) {
		this.visible = true;
		if (modal) {
		  // Hack for Safari !!
		  if (typeof this.overlayOpacity == "undefined") {
			var that = this;
			setTimeout(function() {that.show(modal)}, 10);
			return;
		  }
		  Windows.addModalWindow(this);
		  
		  this.modal = true;      
		  this.setZIndex(Windows.maxZIndex + 1);
		  Windows.unsetOverflow(this);
		}
		else    
		  if (!this.element.style.zIndex) 
			this.setZIndex(Windows.maxZIndex + 1);        
		  
		// To restore overflow if need be
		if (this.oldStyle)
		  this.getContent().setStyle({overflow: this.oldStyle});
		  
		this.computeBounds();
		
		this._notify("onBeforeShow");   
		if (this.options.showEffect != Element.show && this.options.showEffectOptions)
		  this.options.showEffect(this.element, this.options.showEffectOptions);  
		else
		  this.options.showEffect(this.element);  
		  
		this._checkIEOverlapping();
		WindowUtilities.focusedWindow = this
		this._notify("onShow");   
	  },
	  
	  // Displays window modal state or not at the center of the page
	  showCenter: function(modal, top, left) {
		this.centered = true;
		this.centerTop = top;
		this.centerLeft = left;
	
		this.show(modal);
	  },
	  
	  isVisible: function() {
		return this.visible;
	  },
	  
	  _center: function(top, left) {    
		var windowScroll = WindowUtilities.getWindowScroll(this.options.parent);    
		var pageSize = WindowUtilities.getPageSize(this.options.parent);    
		if (typeof top == "undefined")
		  top = (pageSize.windowHeight - (this.height + this.heightN + this.heightS))/2;
		top += windowScroll.top
		
		if (typeof left == "undefined")
		  left = (pageSize.windowWidth - (this.width + this.widthW + this.widthE))/2;
		left += windowScroll.left      
		this.setLocation(top, left);
		this.toFront();
	  },
	  
	  _recenter: function(event) {     
		if (this.centered) {
		  var pageSize = WindowUtilities.getPageSize(this.options.parent);
		  var windowScroll = WindowUtilities.getWindowScroll(this.options.parent);    
	
		  // Check for this stupid IE that sends dumb events
		  if (this.pageSize && this.pageSize.windowWidth == pageSize.windowWidth && this.pageSize.windowHeight == pageSize.windowHeight && 
			  this.windowScroll.left == windowScroll.left && this.windowScroll.top == windowScroll.top) 
			return;
		  this.pageSize = pageSize;
		  this.windowScroll = windowScroll;
		  // set height of Overlay to take up whole page and show
		  if ($('overlay_modal')) 
			$('overlay_modal').setStyle({height: (pageSize.pageHeight + 'px')});
		  
		  if (this.options.recenterAuto)
			this._center(this.centerTop, this.centerLeft);    
		}
	  },
	  
	  // Hides window
	  hide: function() {
		this.visible = false;
		if (this.modal) {
		  Windows.removeModalWindow(this);
		  Windows.resetOverflow();
		}
		// To avoid bug on scrolling bar
		this.oldStyle = this.getContent().getStyle('overflow') || "auto"
		this.getContent().setStyle({overflow: "hidden"});
	
		this.options.hideEffect(this.element, this.options.hideEffectOptions);  
	
		 if(this.iefix) 
		  this.iefix.hide();
	
		if (!this.doNotNotifyHide)
		  this._notify("onHide");
	  },
	
	  close: function() {
		// Asks closeCallback if exists
		if (this.visible) {
		  if (this.options.closeCallback && ! this.options.closeCallback(this)) 
			return;
	
		  if (this.options.destroyOnClose) {
			var destroyFunc = this.destroy.bind(this);
			if (this.options.hideEffectOptions.afterFinish) {
			  var func = this.options.hideEffectOptions.afterFinish;
			  this.options.hideEffectOptions.afterFinish = function() {func();destroyFunc() }
			}
			else 
			  this.options.hideEffectOptions.afterFinish = function() {destroyFunc() }
		  }
		  Windows.updateFocusedWindow();
		  
		  this.doNotNotifyHide = true;
		  this.hide();
		  this.doNotNotifyHide = false;
		  this._notify("onClose");
		}
	  },
	  
	  minimize: function() {
		if (this.resizing)
		  return;
		
		var r2 = $(this.getId() + "_row2");
		
		if (!this.minimized) {
		  this.minimized = true;
	
		  var dh = r2.getDimensions().height;
		  this.r2Height = dh;
		  var h  = this.element.getHeight() - dh;
	
		  if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow) {
			new Effect.ResizeWindow(this, null, null, null, this.height -dh, {duration: Window.resizeEffectDuration});
		  } else  {
			this.height -= dh;
			this.element.setStyle({height: h + "px"});
			r2.hide();
		  }
	
		  if (! this.useTop) {
			var bottom = parseFloat(this.element.getStyle('bottom'));
			this.element.setStyle({bottom: (bottom + dh) + 'px'});
		  }
		} 
		else {      
		  this.minimized = false;
		  
		  var dh = this.r2Height;
		  this.r2Height = null;
		  if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow) {
			new Effect.ResizeWindow(this, null, null, null, this.height + dh, {duration: Window.resizeEffectDuration});
		  }
		  else {
			var h  = this.element.getHeight() + dh;
			this.height += dh;
			this.element.setStyle({height: h + "px"})
			r2.show();
		  }
		  if (! this.useTop) {
			var bottom = parseFloat(this.element.getStyle('bottom'));
			this.element.setStyle({bottom: (bottom - dh) + 'px'});
		  }
		  this.toFront();
		}
		this._notify("onMinimize");
		
		// Store new location/size if need be
		this._saveCookie()
	  },
	  
	  maximize: function() {
		if (this.isMinimized() || this.resizing)
		  return;
	  
		if (Prototype.Browser.IE && this.heightN == 0)
		  this._getWindowBorderSize();
		  
		if (this.storedLocation != null) {
		  this._restoreLocation();
		  if(this.iefix) 
			this.iefix.hide();
		}
		else {
		  this._storeLocation();
		  Windows.unsetOverflow(this);
		  
		  var windowScroll = WindowUtilities.getWindowScroll(this.options.parent);
		  var pageSize = WindowUtilities.getPageSize(this.options.parent);    
		  var left = windowScroll.left;
		  var top = windowScroll.top;
		  
		  if (this.options.parent != document.body) {
			windowScroll =  {top:0, left:0, bottom:0, right:0};
			var dim = this.options.parent.getDimensions();
			pageSize.windowWidth = dim.width;
			pageSize.windowHeight = dim.height;
			top = 0; 
			left = 0;
		  }
		  
		  if (this.constraint) {
			pageSize.windowWidth -= Math.max(0, this.constraintPad.left) + Math.max(0, this.constraintPad.right);
			pageSize.windowHeight -= Math.max(0, this.constraintPad.top) + Math.max(0, this.constraintPad.bottom);
			left +=  Math.max(0, this.constraintPad.left);
			top +=  Math.max(0, this.constraintPad.top);
		  }
		  
		  var width = pageSize.windowWidth - this.widthW - this.widthE;
		  var height= pageSize.windowHeight - this.heightN - this.heightS;
	
		  if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow) {
			new Effect.ResizeWindow(this, top, left, width, height, {duration: Window.resizeEffectDuration});
		  }
		  else {
			this.setSize(width, height);
			this.element.setStyle(this.useLeft ? {left: left} : {right: left});
			this.element.setStyle(this.useTop ? {top: top} : {bottom: top});
		  }
			
		  this.toFront();
		  if (this.iefix) 
			this._fixIEOverlapping(); 
		}
		this._notify("onMaximize");
	
		// Store new location/size if need be
		this._saveCookie()
	  },
	  
	  isMinimized: function() {
		return this.minimized;
	  },
	  
	  isMaximized: function() {
		return (this.storedLocation != null);
	  },
	  
	  setOpacity: function(opacity) {
		if (Element.setOpacity)
		  Element.setOpacity(this.element, opacity);
	  },
	  
	  setZIndex: function(zindex) {
		this.element.setStyle({zIndex: zindex});
		Windows.updateZindex(zindex, this);
	  },
	
	  setTitle: function(newTitle) {
		if (!newTitle || newTitle == "") 
		  newTitle = "&nbsp;";
		  
		Element.update(this.element.id + '_top', newTitle);
	  },
	   
	  getTitle: function() {
		return $(this.element.id + '_top').innerHTML;
	  },
	  
	  setStatusBar: function(element) {
		var statusBar = $(this.getId() + "_bottom");
	
		if (typeof(element) == "object") {
		  if (this.bottombar.firstChild)
			this.bottombar.replaceChild(element, this.bottombar.firstChild);
		  else
			this.bottombar.appendChild(element);
		}
		else
		  this.bottombar.innerHTML = element;
	  },
	
	  _checkIEOverlapping: function() {
		if(!this.iefix && (navigator.appVersion.indexOf('MSIE')>0) && (navigator.userAgent.indexOf('Opera')<0) && (this.element.getStyle('position')=='absolute')) {
			new Insertion.After(this.element.id, '<iframe id="' + this.element.id + '_iefix" '+ 'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' + 'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
			this.iefix = $(this.element.id+'_iefix');
		}
		if(this.iefix) 
		  setTimeout(this._fixIEOverlapping.bind(this), 50);
	  },
	
	  _fixIEOverlapping: function() {
		  Position.clone(this.element, this.iefix);
		  this.iefix.style.zIndex = this.element.style.zIndex - 1;
		  this.iefix.show();
	  },
	  
	  _getWindowBorderSize: function(event) {
		// Hack to get real window border size!!
		var div = this._createHiddenDiv(this.options.className + "_n")
		this.heightN = Element.getDimensions(div).height;    
		div.parentNode.removeChild(div)
	
		var div = this._createHiddenDiv(this.options.className + "_s")
		this.heightS = Element.getDimensions(div).height;    
		div.parentNode.removeChild(div)
	
		var div = this._createHiddenDiv(this.options.className + "_e")
		this.widthE = Element.getDimensions(div).width;    
		div.parentNode.removeChild(div)
	
		var div = this._createHiddenDiv(this.options.className + "_w")
		this.widthW = Element.getDimensions(div).width;
		div.parentNode.removeChild(div);
		
		var div = document.createElement("div");
		div.className = "overlay_" + this.options.className ;
		document.body.appendChild(div);
		//alert("no timeout:\nopacity: " + div.getStyle("opacity") + "\nwidth: " + document.defaultView.getComputedStyle(div, null).width);
		var that = this;
		
		// Workaround for Safari!!
		setTimeout(function() {that.overlayOpacity = ($(div).getStyle("opacity")); div.parentNode.removeChild(div);}, 10);
		
		// Workaround for IE!!
		if (Prototype.Browser.IE) {
		  this.heightS = $(this.getId() +"_row3").getDimensions().height;
		  this.heightN = $(this.getId() +"_row1").getDimensions().height;
		}
	
		// Safari size fix
		if (Prototype.Browser.WebKit && Prototype.Browser.WebKitVersion < 420)
		  this.setSize(this.width, this.height);
		if (this.doMaximize)
		  this.maximize();
		if (this.doMinimize)
		  this.minimize();
	  },
	 
	  _createHiddenDiv: function(className) {
		var objBody = document.body;
		var win = document.createElement("div");
		win.setAttribute('id', this.element.id+ "_tmp");
		win.className = className;
		win.style.display = 'none';
		win.innerHTML = '';
		objBody.insertBefore(win, objBody.firstChild);
		return win;
	  },
	  
	  _storeLocation: function() {
		if (this.storedLocation == null) {
		  this.storedLocation = {useTop: this.useTop, useLeft: this.useLeft, 
								 top: this.element.getStyle('top'), bottom: this.element.getStyle('bottom'),
								 left: this.element.getStyle('left'), right: this.element.getStyle('right'),
								 width: this.width, height: this.height };
		}
	  },
	  
	  _restoreLocation: function() {
		if (this.storedLocation != null) {
		  this.useLeft = this.storedLocation.useLeft;
		  this.useTop = this.storedLocation.useTop;
		  
		  if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow)
			new Effect.ResizeWindow(this, this.storedLocation.top, this.storedLocation.left, this.storedLocation.width, this.storedLocation.height, {duration: Window.resizeEffectDuration});
		  else {
			this.element.setStyle(this.useLeft ? {left: this.storedLocation.left} : {right: this.storedLocation.right});
			this.element.setStyle(this.useTop ? {top: this.storedLocation.top} : {bottom: this.storedLocation.bottom});
			this.setSize(this.storedLocation.width, this.storedLocation.height);
		  }
		  
		  Windows.resetOverflow();
		  this._removeStoreLocation();
		}
	  },
	  
	  _removeStoreLocation: function() {
		this.storedLocation = null;
	  },
	  
	  _saveCookie: function() {
		if (this.cookie) {
		  var value = "";
		  if (this.useLeft)
			value += "l:" +  (this.storedLocation ? this.storedLocation.left : this.element.getStyle('left'))
		  else
			value += "r:" + (this.storedLocation ? this.storedLocation.right : this.element.getStyle('right'))
		  if (this.useTop)
			value += ",t:" + (this.storedLocation ? this.storedLocation.top : this.element.getStyle('top'))
		  else
			value += ",b:" + (this.storedLocation ? this.storedLocation.bottom :this.element.getStyle('bottom'))
			
		  value += "," + (this.storedLocation ? this.storedLocation.width : this.width);
		  value += "," + (this.storedLocation ? this.storedLocation.height : this.height);
		  value += "," + this.isMinimized();
		  value += "," + this.isMaximized();
		  WindowUtilities.setCookie(value, this.cookie)
		}
	  },
	  
	  _createWiredElement: function() {
		if (! this.wiredElement) {
		  if (Prototype.Browser.IE)
			this._getWindowBorderSize();
		  var div = document.createElement("div");
		  div.className = "wired_frame " + this.options.className + "_wired_frame";
		  
		  div.style.position = 'absolute';
		  this.options.parent.insertBefore(div, this.options.parent.firstChild);
		  this.wiredElement = $(div);
		}
		if (this.useLeft) 
		  this.wiredElement.setStyle({left: this.element.getStyle('left')});
		else 
		  this.wiredElement.setStyle({right: this.element.getStyle('right')});
		  
		if (this.useTop) 
		  this.wiredElement.setStyle({top: this.element.getStyle('top')});
		else 
		  this.wiredElement.setStyle({bottom: this.element.getStyle('bottom')});
	
		var dim = this.element.getDimensions();
		this.wiredElement.setStyle({width: dim.width + "px", height: dim.height +"px"});
	
		this.wiredElement.setStyle({zIndex: Windows.maxZIndex+30});
		return this.wiredElement;
	  },
	  
	  _hideWiredElement: function() {
		if (! this.wiredElement || ! this.currentDrag)
		  return;
		if (this.currentDrag == this.element) 
		  this.currentDrag = null;
		else {
		  if (this.useLeft) 
			this.element.setStyle({left: this.currentDrag.getStyle('left')});
		  else 
			this.element.setStyle({right: this.currentDrag.getStyle('right')});
	
		  if (this.useTop) 
			this.element.setStyle({top: this.currentDrag.getStyle('top')});
		  else 
			this.element.setStyle({bottom: this.currentDrag.getStyle('bottom')});
	
		  this.currentDrag.hide();
		  this.currentDrag = null;
		  if (this.doResize)
			this.setSize(this.width, this.height);
		} 
	  },
	  
	  _notify: function(eventName) {
		if (this.options[eventName])
		  this.options[eventName](this);
		else
		  Windows.notify(eventName, this);
	  }
	};
}

// Windows containers, register all page windows
var Windows = {
  windows: [],
  modalWindows: [],
  observers: [],
  focusedWindow: null,
  maxZIndex: 0,
  overlayShowEffectOptions: {duration: 0.5},
  overlayHideEffectOptions: {duration: 0.5},

  addObserver: function(observer) {
    this.removeObserver(observer);
    this.observers.push(observer);
  },
  
  removeObserver: function(observer) {  
    this.observers = this.observers.reject( function(o) { return o==observer });
  },
  
  // onDestroy onStartResize onStartMove onResize onMove onEndResize onEndMove onFocus onBlur onBeforeShow onShow onHide onMinimize onMaximize onClose
  notify: function(eventName, win) {  
    this.observers.each( function(o) {if(o[eventName]) o[eventName](eventName, win);});
  },

  // Gets window from its id
  getWindow: function(id) {
    return this.windows.detect(function(d) { return d.getId() ==id });
  },

  // Gets the last focused window
  getFocusedWindow: function() {
    return this.focusedWindow;
  },

  updateFocusedWindow: function() {
    this.focusedWindow = this.windows.length >=2 ? this.windows[this.windows.length-2] : null;    
  },
  
  // Registers a new window (called by Windows constructor)
  register: function(win) {
    this.windows.push(win);
  },
    
  // Add a modal window in the stack
  addModalWindow: function(win) {
    // Disable screen if first modal window
    if (this.modalWindows.length == 0) {
      WindowUtilities.disableScreen(win.options.className, 'overlay_modal', win.overlayOpacity, win.getId(), win.options.parent);
    }
    else {
      // Move overlay over all windows
      if (Window.keepMultiModalWindow) {
        $('overlay_modal').style.zIndex = Windows.maxZIndex + 1;
        Windows.maxZIndex += 1;
        WindowUtilities._hideSelect(this.modalWindows.last().getId());
      }
      // Hide current modal window
      else
        this.modalWindows.last().element.hide();
      // Fucking IE select issue
      WindowUtilities._showSelect(win.getId());
    }      
    this.modalWindows.push(win);    
  },
  
  removeModalWindow: function(win) {
    this.modalWindows.pop();
    
    // No more modal windows
    if (this.modalWindows.length == 0)
      WindowUtilities.enableScreen();     
    else {
      if (Window.keepMultiModalWindow) {
        this.modalWindows.last().toFront();
        WindowUtilities._showSelect(this.modalWindows.last().getId());        
      }
      else
        this.modalWindows.last().element.show();
    }
  },
  
  // Registers a new window (called by Windows constructor)
  register: function(win) {
    this.windows.push(win);
  },
  
  // Unregisters a window (called by Windows destructor)
  unregister: function(win) {
    this.windows = this.windows.reject(function(d) { return d==win });
  }, 
  
  // Closes all windows
  closeAll: function() {  
    this.windows.each( function(w) {Windows.close(w.getId())} );
  },
  
  closeAllModalWindows: function() {
    WindowUtilities.enableScreen();     
    this.modalWindows.each( function(win) {if (win) win.close()});    
  },

  // Minimizes a window with its id
  minimize: function(id, event) {
    var win = this.getWindow(id)
    if (win && win.visible)
      win.minimize();
    Event.stop(event);
  },
  
  // Maximizes a window with its id
  maximize: function(id, event) {
    var win = this.getWindow(id)
    if (win && win.visible)
      win.maximize();
    Event.stop(event);
  },

  // Closes a window with its id
  close: function(id, event) {
    var win = this.getWindow(id);
    if (win) 
      win.close();
    if (event)
      Event.stop(event);
  },
  
  blur: function(id) {
    var win = this.getWindow(id);  
    if (!win)
      return;
    if (win.options.blurClassName)
      win.changeClassName(win.options.blurClassName);
    if (this.focusedWindow == win)  
      this.focusedWindow = null;
    win._notify("onBlur");  
  },
  
  focus: function(id) {
    var win = this.getWindow(id);  
    if (!win)
      return;       
    if (this.focusedWindow)
      this.blur(this.focusedWindow.getId())

    if (win.options.focusClassName)
      win.changeClassName(win.options.focusClassName);  
    this.focusedWindow = win;
    win._notify("onFocus");
  },
  
  unsetOverflow: function(except) {    
    this.windows.each(function(d) { d.oldOverflow = d.getContent().getStyle("overflow") || "auto" ; d.getContent().setStyle({overflow: "hidden"}) });
    if (except && except.oldOverflow)
      except.getContent().setStyle({overflow: except.oldOverflow});
  },

  resetOverflow: function() {
    this.windows.each(function(d) { if (d.oldOverflow) d.getContent().setStyle({overflow: d.oldOverflow}) });
  },

  updateZindex: function(zindex, win) { 
    if (zindex > this.maxZIndex) {   
      this.maxZIndex = zindex;    
      if (this.focusedWindow) 
        this.blur(this.focusedWindow.getId())
    }
    this.focusedWindow = win;
    if (this.focusedWindow) 
      this.focus(this.focusedWindow.getId())
  }
};

var Dialog = {
  dialogId: null,
  onCompleteFunc: null,
  callFunc: null, 
  parameters: null, 
    
  confirm: function(content, parameters) {
    // Get Ajax return before
    if (content && typeof content != "string") {
      Dialog._runAjaxRequest(content, parameters, Dialog.confirm);
      return 
    }
    content = content || "";
    
    parameters = parameters || {};
    var okLabel = parameters.okLabel ? parameters.okLabel : "Ok";
    var cancelLabel = parameters.cancelLabel ? parameters.cancelLabel : "Cancel";

    // Backward compatibility
    parameters = Object.extend(parameters, parameters.windowParameters || {});
    parameters.windowParameters = parameters.windowParameters || {};

    parameters.className = parameters.className || "alert";

    var okButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " ok_button'" 
    var cancelButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " cancel_button'" 
    var content = "\
      <div class='" + parameters.className + "_message'>" + content  + "</div>\
        <div class='" + parameters.className + "_buttons'>\
          <input type='button' value='" + okLabel + "' onclick='Dialog.okCallback()' " + okButtonClass + "/>\
          <input type='button' value='" + cancelLabel + "' onclick='Dialog.cancelCallback()' " + cancelButtonClass + "/>\
        </div>\
    ";
    return this._openDialog(content, parameters)
  },
  
  alert: function(content, parameters) {

    // Get Ajax return before
    if (content && typeof content != "string") {
      Dialog._runAjaxRequest(content, parameters, Dialog.alert);
      return 
    }
    content = content || "";
    
    parameters = parameters || {};
    var okLabel = parameters.okLabel ? parameters.okLabel : "Ok";

    // Backward compatibility    
    parameters = Object.extend(parameters, parameters.windowParameters || {});
    parameters.windowParameters = parameters.windowParameters || {};
    
    parameters.className = parameters.className || "alert";
    
    var okButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " ok_button'" 
    var content = "\
      <div class='" + parameters.className + "_message'>" + content  + "</div>\
        <div class='" + parameters.className + "_buttons'>\
          <input type='button' value='" + okLabel + "' onclick='Dialog.okCallback()' " + okButtonClass + "/>\
        </div>";                  
    return this._openDialog(content, parameters)

  },
  
  
  
  info: function(content, parameters) {   
    // Get Ajax return before
    if (content && typeof content != "string") {
      Dialog._runAjaxRequest(content, parameters, Dialog.info);
      return 
    }
    content = content || "";
     
    // Backward compatibility
    parameters = parameters || {};
    parameters = Object.extend(parameters, parameters.windowParameters || {});
    parameters.windowParameters = parameters.windowParameters || {};
    
    parameters.className = parameters.className || "alert";
    
    var content = "<div id='modal_dialog_message' class='" + parameters.className + "_message'>" + content  + "</div>";
    if (parameters.showProgress)
      content += "<div id='modal_dialog_progress' class='" + parameters.className + "_progress'>  </div>";

    parameters.ok = null;
    parameters.cancel = null;
    
    return this._openDialog(content, parameters)
  },
  
  setInfoMessage: function(message) {
    $('modal_dialog_message').update(message);
  },
  
  closeInfo: function() {
    Windows.close(this.dialogId);
  },
  
  _openDialog: function(content, parameters) {
    var className = parameters.className;
    
    if (! parameters.height && ! parameters.width) {
      parameters.width = WindowUtilities.getPageSize(parameters.options.parent || document.body).pageWidth / 2;
    }
    if (parameters.id)
      this.dialogId = parameters.id;
    else { 
      var t = new Date();
      this.dialogId = 'modal_dialog_' + t.getTime();
      parameters.id = this.dialogId;
    }

    // compute height or width if need be
    if (! parameters.height || ! parameters.width) {
      var size = WindowUtilities._computeSize(content, this.dialogId, parameters.width, parameters.height, 5, className)
      if (parameters.height)
        parameters.width = size + 5
      else
        parameters.height = size + 5
    }
    parameters.effectOptions = parameters.effectOptions ;
    parameters.resizable   = parameters.resizable || false;
    parameters.minimizable = parameters.minimizable || false;
    parameters.maximizable = parameters.maximizable ||  false;
    parameters.draggable   = parameters.draggable || false;
    parameters.closable    = parameters.closable || false;
    
    var win = new Window(parameters);
    win.getContent().innerHTML = content;
    
    win.showCenter(true, parameters.top, parameters.left);  
    win.setDestroyOnClose();
    
    win.cancelCallback = parameters.onCancel || parameters.cancel; 
    win.okCallback = parameters.onOk || parameters.ok;
    
    return win;    
  },
  
  _getAjaxContent: function(originalRequest)  {
      Dialog.callFunc(originalRequest.responseText, Dialog.parameters)
  },
  
  _runAjaxRequest: function(message, parameters, callFunc) {
    if (message.options == null)
      message.options = {}  
    Dialog.onCompleteFunc = message.options.onComplete;
    Dialog.parameters = parameters;
    Dialog.callFunc = callFunc;
    
    message.options.onComplete = Dialog._getAjaxContent;
    new Ajax.Request(message.url, message.options);
  },
  
  okCallback: function() {
    var win = Windows.focusedWindow;
    if (!win.okCallback || win.okCallback(win)) {
      // Remove onclick on button
      $$("#" + win.getId()+" input").each(function(element) {element.onclick=null;})
      win.close();
    }
  },

  cancelCallback: function() {
    var win = Windows.focusedWindow;
    // Remove onclick on button
    $$("#" + win.getId()+" input").each(function(element) {element.onclick=null})
    win.close();
    if (win.cancelCallback)
      win.cancelCallback(win);
  }
}
/*
  Based on Lightbox JS: Fullsize Image Overlays 
  by Lokesh Dhakar - http://www.huddletogether.com

  For more information on this script, visit:
  http://huddletogether.com/projects/lightbox/

  Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
  (basically, do anything you want, just leave my name and link)
*/

if (typeof (Prototype) == "undefined"){
	//alert("ERROR");
}else{
	if (Prototype.Browser.WebKit) {
	  var array = navigator.userAgent.match(new RegExp(/AppleWebKit\/([\d\.\+]*)/));
	  Prototype.Browser.WebKitVersion = parseFloat(array[1]);
	}
}

var WindowUtilities = {  
  // From dragdrop.js
  getWindowScroll: function(parent) {
    var T, L, W, H;
    parent = parent || document.body;              
    if (parent != document.body) {
      T = parent.scrollTop;
      L = parent.scrollLeft;
      W = parent.scrollWidth;
      H = parent.scrollHeight;
    } 
    else {
      var w = window;
      with (w.document) {
        if (w.document.documentElement && documentElement.scrollTop) {
          T = documentElement.scrollTop;
          L = documentElement.scrollLeft;
        } else if (w.document.body) {
          T = body.scrollTop;
          L = body.scrollLeft;
        }
        if (w.innerWidth) {
          W = w.innerWidth;
          H = w.innerHeight;
        } else if (w.document.documentElement && documentElement.clientWidth) {
          W = documentElement.clientWidth;
          H = documentElement.clientHeight;
        } else {
          W = body.offsetWidth;
          H = body.offsetHeight
        }
      }
    }
    return { top: T, left: L, width: W, height: H };
  }, 
  //
  // getPageSize()
  // Returns array with page width, height and window width, height
  // Core code from - quirksmode.org
  // Edit for Firefox by pHaez
  //
  getPageSize: function(parent){
    parent = parent || document.body;              
    var windowWidth, windowHeight;
    var pageHeight, pageWidth;
    if (parent != document.body) {
      windowWidth = parent.getWidth();
      windowHeight = parent.getHeight();                                
      pageWidth = parent.scrollWidth;
      pageHeight = parent.scrollHeight;                                
    } 
    else {
      var xScroll, yScroll;

      if (window.innerHeight && window.scrollMaxY) {  
        xScroll = document.body.scrollWidth;
        yScroll = window.innerHeight + window.scrollMaxY;
      } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
        xScroll = document.body.scrollWidth;
        yScroll = document.body.scrollHeight;
      } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        xScroll = document.body.offsetWidth;
        yScroll = document.body.offsetHeight;
      }


      if (self.innerHeight) {  // all except Explorer
        windowWidth = self.innerWidth;
        windowHeight = self.innerHeight;
      } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
      } else if (document.body) { // other Explorers
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
      }  

      // for small pages with total height less then height of the viewport
      if(yScroll < windowHeight){
        pageHeight = windowHeight;
      } else { 
        pageHeight = yScroll;
      }

      // for small pages with total width less then width of the viewport
      if(xScroll < windowWidth){  
        pageWidth = windowWidth;
      } else {
        pageWidth = xScroll;
      }
    }             
    return {pageWidth: pageWidth ,pageHeight: pageHeight , windowWidth: windowWidth, windowHeight: windowHeight};
  },

  disableScreen: function(className, overlayId, overlayOpacity, contentId, parent) {
    WindowUtilities.initLightbox(overlayId, className, function() {this._disableScreen(className, overlayId, overlayOpacity, contentId)}.bind(this), parent || document.body);
  },

  _disableScreen: function(className, overlayId, overlayOpacity, contentId) {
    // prep objects
    var objOverlay = $(overlayId);

    var pageSize = WindowUtilities.getPageSize(objOverlay.parentNode);

    // Hide select boxes as they will 'peek' through the image in IE, store old value
    if (contentId && Prototype.Browser.IE) {
      WindowUtilities._hideSelect();
      WindowUtilities._showSelect(contentId);
    }  
  
    // set height of Overlay to take up whole page and show
    objOverlay.style.height = (pageSize.pageHeight + 'px');
    objOverlay.style.display = 'none'; 
    if (overlayId == "overlay_modal" && Window.hasEffectLib && Windows.overlayShowEffectOptions) {
      objOverlay.overlayOpacity = overlayOpacity;
      new Effect.Appear(objOverlay, Object.extend({from: 0, to: overlayOpacity}, Windows.overlayShowEffectOptions));
    }
    else
      objOverlay.style.display = "block";
  },
  
  enableScreen: function(id) {
    id = id || 'overlay_modal';
    var objOverlay =  $(id);
    if (objOverlay) {
      // hide lightbox and overlay
      if (id == "overlay_modal" && Window.hasEffectLib && Windows.overlayHideEffectOptions)
        new Effect.Fade(objOverlay, Object.extend({from: objOverlay.overlayOpacity, to:0}, Windows.overlayHideEffectOptions));
      else {
        objOverlay.style.display = 'none';
        objOverlay.parentNode.removeChild(objOverlay);
      }
      
      // make select boxes visible using old value
      if (id != "__invisible__") 
        WindowUtilities._showSelect();
    }
  },

  _hideSelect: function(id) {
    if (Prototype.Browser.IE) {
      id = id ==  null ? "" : "#" + id + " ";
      $$(id + 'select').each(function(element) {
        if (! WindowUtilities.isDefined(element.oldVisibility)) {
          element.oldVisibility = element.style.visibility ? element.style.visibility : "visible";
          element.style.visibility = "hidden";
        }
      });
    }
  },
  
  _showSelect: function(id) {
    if (Prototype.Browser.IE) {
      id = id ==  null ? "" : "#" + id + " ";
      $$(id + 'select').each(function(element) {
        if (WindowUtilities.isDefined(element.oldVisibility)) {
          // Why?? Ask IE
          try {
            element.style.visibility = element.oldVisibility;
          } catch(e) {
            element.style.visibility = "visible";
          }
          element.oldVisibility = null;
        }
        else {
          if (element.style.visibility)
            element.style.visibility = "visible";
        }
      });
    }
  },

  isDefined: function(object) {
    return typeof(object) != "undefined" && object != null;
  },
  
  // initLightbox()
  // Function runs on window load, going through link tags looking for rel="lightbox".
  // These links receive onclick events that enable the lightbox display for their targets.
  // The function also inserts html markup at the top of the page which will be used as a
  // container for the overlay pattern and the inline image.
  initLightbox: function(id, className, doneHandler, parent) {
    // Already done, just update zIndex
    if ($(id)) {
      Element.setStyle(id, {zIndex: Windows.maxZIndex + 1});
      Windows.maxZIndex++;
      doneHandler();
    }
    // create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
    else {
      var objOverlay = document.createElement("div");
      objOverlay.setAttribute('id', id);
      objOverlay.className = "overlay_" + className
      objOverlay.style.display = 'none';
      objOverlay.style.position = 'absolute';
      objOverlay.style.top = '0';
      objOverlay.style.left = '0';
      objOverlay.style.zIndex = Windows.maxZIndex + 1;
      Windows.maxZIndex++;
      objOverlay.style.width = '100%';
      parent.insertBefore(objOverlay, parent.firstChild);
      if (Prototype.Browser.WebKit && id == "overlay_modal") {
        setTimeout(function() {doneHandler()}, 10);
      }
      else
        doneHandler();
    }    
  },
  
  setCookie: function(value, parameters) {
    document.cookie= parameters[0] + "=" + escape(value) +
      ((parameters[1]) ? "; expires=" + parameters[1].toGMTString() : "") +
      ((parameters[2]) ? "; path=" + parameters[2] : "") +
      ((parameters[3]) ? "; domain=" + parameters[3] : "") +
      ((parameters[4]) ? "; secure" : "");
  },

  getCookie: function(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
      begin = dc.indexOf(prefix);
      if (begin != 0) return null;
    } else {
      begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
      end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
  },
    
  _computeSize: function(content, id, width, height, margin, className) {
    var objBody = document.body;
    var tmpObj = document.createElement("div");
    tmpObj.setAttribute('id', id);
    tmpObj.className = className + "_content";

    if (height)
      tmpObj.style.height = height + "px"
    else
      tmpObj.style.width = width + "px"
  
    tmpObj.style.position = 'absolute';
    tmpObj.style.top = '0';
    tmpObj.style.left = '0';
    tmpObj.style.display = 'none';

    tmpObj.innerHTML = content;
    objBody.insertBefore(tmpObj, objBody.firstChild);

    var size;
    if (height)
      size = $(tmpObj).getDimensions().width + margin;
    else
      size = $(tmpObj).getDimensions().height + margin;
    objBody.removeChild(tmpObj);
    return size;
  }  
}