/*------------------------------------------------------------------------\
|                            ProBiz Window v 1.0    					  |
|-------------------------------------------------------------------------|
|                            Create By Luo Shunkui					      |
|                   2006.6.30 at GuangZhou ProBiz software			      |
|-------------------------------------------------------------------------|
|This Class provide a div window in the web page.This window can be       |
|drag.									                                  |
\------------------------------------------------------------------------*/
var ContentAction = function(){};
function _fnCreateConnection()
{
	var asynchronousConnection;
	try
	{
		asynchronousConnection = new ActiveXObject("Microsoft.XMLHTTP");
	}
	catch(e)
	{
		if(typeof XMLHttpRequest != "undefined")
			asynchronousConnection = new XMLHttpRequest();
	}
	
	return asynchronousConnection;
};
function _fnDoRequest(url,handle){
	var conn = _fnCreateConnection();
	
	var onChange = function(){
	 
	 if(conn.readyState == 4){
	 	if(conn.status == 200){
	 		handle.call(this,conn.responseText);	 
	 	}
	 }
	 
	};
	
	conn.onreadystatechange=onChange;
	conn.open("GET",url);
	conn.send(null);
};

var oProbizWindows=new Array;
var oProbizWindowsNum=0;
function ProbizWindow(){};
 ProbizWindow.prototype.width=null;
 ProbizWindow.prototype.height=null;
 ProbizWindow.prototype.winId="";
 ProbizWindow.prototype.windowStyle="popupv01";
 ProbizWindow.prototype.headStyle="banner";
 ProbizWindow.prototype.titleStyle="divWinTitle";
 ProbizWindow.prototype.buttonStyle="divWinButton";
 ProbizWindow.prototype.contentStyle="content";
 ProbizWindow.prototype.closeIcon=__ctxPath+"/images/popupv01_closed.gif";
 ProbizWindow.prototype.titleBack=__ctxPath+"/images/windowtitle.gif";
 ProbizWindow.prototype.left=0;
 ProbizWindow.prototype.top=0;
 ProbizWindow.prototype.showBottom=false;
 
 ProbizWindow.prototype.title="Probiz Window";
 ProbizWindow.prototype.hideSelects=false;
 ProbizWindow.prototype.closeCall=null;
 
 ProbizWindow.prototype.submitValue="save";
 ProbizWindow.prototype.cancelValue="cancel";
 ProbizWindow.prototype.instance=null;
 ProbizWindow.prototype.enableMax=true;
 ProbizWindow.prototype.enableMin=true;
 ProbizWindow.prototype.resizable=true;
 ProbizWindow.prototype.model=true;
 
 
 
 ProbizWindow.prototype.setPosition=function(e){
 	if(!e){
 		return;
 	}
 	 var t=e.offsetTop;
	 var l=e.offsetLeft;
	 while(e=e.offsetParent){
		 t+=e.offsetTop;
		 l+=e.offsetLeft;
	 }
	 this.left=l;
	 if(document.body.offsetWidth<this.left+this.width)
      this.left=this.left-this.width;
   this.top=t;
 };
 
  ProbizWindow.prototype.showSelects=function(bVisible){

 };
 
 ProbizWindow.prototype.showSelect=function(bVisible){
 };
 /**********************************
 *This Method closeWindow.
 *
 *
 *
 ***********************************/
 ProbizWindow.prototype.onSubmit=null;
 ProbizWindow.prototype.closeWin=function(){
  var testWin=$(this.winId);
  if(testWin){
	  if(this.closeCall){
	   this.closeCall.call(this);
	   }
	   Windows.close(null,this.winId);
	return;
  }
 };
 
 ProbizWindow.prototype.submit=function(){
	 if(this.onSubmit){
	  if(this.onSubmit.call(this)==1)
	   return;
	  }
	 this.closeWin(); 
 };
 ProbizWindow.prototype.onload=function(){
 	//this.instatnce.updateWidth();
 };
 
 ProbizWindow.prototype.create=function(id){
  this.winId=id;
  if($(id)){//if window is exists.
   return;
  }
  if(!this.height){
  	this.height=270;
  }
  var winInstance = this.instance;
  this.instance = new Window(id, {className: "dialog",  width:this.width, height:this.height, zIndex: 10001, resizable: this.resizable, 
  									title: this.title, draggable:true,minimizable:this.enableMin,maximizable:this.enableMax,onload:this.onload})
  this.instance.setDestroyOnClose();
    var obj = {winId:id,instance:this};
   var exists = false;
   for(var i=0;i<oProbizWindows.length;i++){
   	if(oProbizWindows[i].winId==id){
   		oProbizWindows[i].instance=this;
   		exists = true;
   	}
   }
   if(!exists)
   	oProbizWindows.push(obj);
 };
 
 ProbizWindow.prototype.setContent=function(type,content){
 	if(!this.instance){
 		return;
 	}
  if(type==1){
  	if(content.id){
  		this.instance.setContent(content.id);
  		this.instance.setHeight=content.offsetHeight;
  	}else{
  		var div = document.createElement("div");
  		div.appendChild(content);
  		document.body.appendChild(div);
  		div.style.display="none";
  		var height = div.offsetHeight;
  		alert(height);
  		this.instance.getContent().innerHTML=div.innerHTML;
  		if(height!=0)
  			this.instatnce.setSize(this.instance.getSize().width,height);
  		else
  			this.instance.updateHeight();
  		document.body.removeChild(div);
  	}
  	
  	
  }else if(type==2){
  	//fillDivWithPage(this.instance.getContent().id,content);
  	var temp = this;
  	var handel = function(text){
  	
  		var dv = document.createElement("div");
  		
  		document.body.appendChild(dv);
  		
  		dv.innerHTML=text;
  		var height=dv.offsetHeight;  		
  		dv.style.display="none";
  		temp.instance.getContent().innerHTML=dv.innerHTML;
  		if(height!=0)
  			temp.instance.setSize(temp.instance.getSize().width,height-10);
  		else
  			temp.instance.updateHeight();	
  		document.body.removeChild(dv);
  	}
  	_fnDoRequest(content,handel);
  	 //this.instance.setAjaxContent(content,null,true,true);
  	
  	}else{
  		
  		var div = document.createElement("div");
  		div.innerHTML=content;
  		document.body.appendChild(div);
  		
  		var height = div.offsetHeight;
  		div.style.display="none";
  		
  		this.instance.getContent().innerHTML=content;
  		if(height!=0)
  			this.instance.setSize(this.instance.getSize().width,height);
  		else
  			this.instance.updateHeight();
  		document.body.removeChild(div);
  		
   }
   if(this.left!=0 && this.top!=0){
  	this.instance.show();
  	this.instance.setLocation(this.top,this.left);
  	}else
   	this.instance.showCenter(this.model);
   	
 };
 
 ProbizWindow.prototype._winTemplate=function(){
  };
  ProbizWindow.prototype.headBody=function(){
  };
  ProbizWindow.prototype.bottom=function(){
  };
 //Pulbic Create Window method
 ProbizWindow.prototype.getScroll=function(){
   if(document.all && typeof document.body.scrollTop != "undefined"){	// IE model
			var ieBox = document.compatMode != "CSS1Compat";
			var cont = ieBox ? document.body : document.documentElement;
			return {
				left:	cont.scrollLeft,
				top:	cont.scrollTop,
				width:	cont.clientWidth,
				height:	cont.clientHeight
			};
		}
		else{
			return{
				left:	window.pageXOffset,
				top:	window.pageYOffset,
				width:	window.innerWidth,
				height:	window.innerHeight
			};
		}
 
 };
 
 
 
 function fnCreateWindow(el,id,title,type,content,closeIcon,width,showBottom,submitValue,cancelValue,hiddeSelect,height){
	if($(id)){
		return;
	} 
	
    var pWin=new ProbizWindow();
    
    if(title)
	  pWin.title=title;
	 
	 if(width)
	  pWin.width = width;
	 
	 if(height)
	 	pWin.height = height;
	 if(submitValue)
	  pWin.submitValue = submitValue;
	  
	
	 if(cancelValue)
	  pWin.cancelValue = cancelValue;
	 if(showBottom)
	  pWin.showBottom = showBottom;
	 var obj=$(el);
	 if(obj)
      pWin.setPosition(obj);
	   
	 pWin.create(id);
	 
	 pWin.setContent(type,content);
	 return pWin;
	 
 }
 function fnCloseProbizWin(id){
 /*if($(id)){
  	Windows.close(null,id);
  }*/
  for(var i = 0 ;i<oProbizWindows.length;i++){
  	if(oProbizWindows[i].winId==id){
  		oProbizWindows[i].instance.closeWin();
  		oProbizWindows.pop(oProbizWindows[i]);
  		break;
  	}
  }
  
   //fn_after_closeWin();
	  
 }
 function fnGetProbizWin(id){
 	for(var i=0;i<oProbizWindows.length;i++){
 		if(oProbizWindows[i].winId==id){
  			return oProbizWindows[i].instance;
  		}
  	}
  	
 }
 

function fnCreateWinOnCenter(el,id,type,content,title,width,closeIcon,showBottom,submitValue,cancelValue){
	if($(id)){
		return;
	} 
	
  var el=$(el);
 if(!el){
   return;
   }
  nowWindowObj=new ProbizWindow();
  nowWindowObj.hideSelects=true;
  nowWindowObj.title=title;
  nowWindowObj.width=width+10;
  if(showBottom)
    nowWindowObj.showBottom = showBottom;
  if(submitValue)
    nowWindowObj.submitValue = submitValue;
  if(cancelValue)
    nowWindowObj.cancelValue = cancelValue;
  var scroll=nowWindowObj.getScroll();
  if(document.body.offsetWidth>el.offsetWidth&&document.body.offsetHeight>el.offsetHeight){
   var left=(document.body.offsetWidth-el.offsetWidth)/2;
   
   var t=(scroll.height-el.offsetHeight)/2+scroll.top-50;
   if(t<20)
    t=20;
   nowWindowObj.left=left;
   nowWindowObj.top=t;
   }
  nowWindowObj.create(id);
  
  nowWindowObj.setContent(1,el);
  return nowWindowObj;
 }
 
 function fnCreateWinOnTop(el,id,type,content,title,width,closeIcon,showBottom,submitValue,cancelValue){
  var el=$(el);
 if(!el){
   return;
   }
  nowWindowObj=new ProbizWindow();
  nowWindowObj.hideSelects=true;
  nowWindowObj.title=title;
  nowWindowObj.width=width+10;
  if(showBottom)
    nowWindowObj.showBottom = showBottom;
  if(submitValue)
    nowWindowObj.submitValue = submitValue;
  if(cancelValue)
    nowWindowObj.cancelValue = cancelValue;
  var scroll=nowWindowObj.getScroll();
  if(document.body.offsetWidth>el.offsetWidth&&document.body.offsetHeight>el.offsetHeight){
   var left=(document.body.offsetWidth-el.offsetWidth)/2;
   
   var t=(scroll.height-el.offsetHeight)/2+scroll.top-50;
   if(t<20)
    t=20;
   nowWindowObj.left=left;
   nowWindowObj.top=20;
   }
  nowWindowObj.create(id);
  
  nowWindowObj.setContent(1,el);
  return nowWindowObj;
 }



 
 function fnCreateWinForUrl(url,title,width,closeIcon,id,submitValue,cancelValue,topOffset){
 	if($("UrlWindow_77889")){
 		return;
  	}
  	
  	if($(id)){
  		return;
  	}		
   	var el=$("urlWindow");
 	if(!el){
   		el=document.createElement("div");
   		el.id="urlWindow";
   		el.style.width=width+"px";
   		document.body.appendChild(el);
  	}
  

  nowWindowObj=new ProbizWindow();
  nowWindowObj.title=title;
  nowWindowObj.width=width;
  
  
  var scroll=nowWindowObj.getScroll();
  if(document.body.offsetWidth>el.offsetWidth&&document.body.offsetHeight>el.offsetHeight){
   var left=(document.body.offsetWidth-el.offsetWidth)/2;
   var t=(scroll.height-el.offsetHeight)/2+scroll.top-150;
   if(topOffset)
	t=t-topOffset;
   if(t<20)
    t=20;
	
   nowWindowObj.left=left;
   nowWindowObj.top=t;
   }
   if(id)
   	nowWindowObj.create(id);
   else
     nowWindowObj.create("UrlWindow_77889");
  nowWindowObj.setContent(2,url);//instance.setAjaxContent(url);
  
  return nowWindowObj;
 }
 /*******************************************
 *This method sevice for search.
 *Params:searchId is a hidden div or table.
 *       title search name.
 *NOTE:use this method must include win.css 
 *     and probizWin.js.
 *
 *Create Time:08/17/06
 ********************************************/
 function fnCreateMessageWin(el,id,title,contentType,content,timeout){
 	if($(id)){
 		return;
 	}
 	var win = new ProbizWindow();
 	win.width=280;
 	win.height=200;
 	win.enableMin = false;
 	win.enableMax = false;
 	win.title = title ;
 	win.resizable=false;
 	win.model=false;
 	win.setPosition(el);
 	win.create(id);
 	win.setContent(contentType,content);
 	if(timeout&&timeout>0){
 		var infoTimeOut=function(){
 			win.closeWin();
 		}
 		setTimeout(infoTimeOut,timeout);
 	}
 	
 
 }
 function fnCreateSearchWin(searchId,title,searchWinWidth){
  var el=$(searchId);
  if(!el){
   return;
    }
   el.style.position="absolute";
   el.style.zIndex="90";
 
  var currentWidth=el.style.width;
  
  if(searchWinWidth&&!currentWidth)
   el.style.width=searchWinWidth+"px";
  nowWindowObj=new ProbizWindow();
  nowWindowObj.width=searchWinWidth;
  var scroll=nowWindowObj.getScroll();
  if(document.body.offsetWidth>el.offsetWidth&&document.body.offsetHeight>el.offsetHeight){
   var left=(document.body.offsetWidth-parseInt(el.style.width))/2;
   var t=(scroll.height-el.offsetHeight)/2+scroll.top-50;
  
   if(t<20)
    t=20;
   if((left+parseInt(el.style.width))>document.body.offsetWidth)
    left=(left+paresInt(el.style.width))-document.body.offsetWidth;
   el.style.left=left+"px";
   if(t>120)
    t=120;
   el.style.top=t+"px";
   el.style.display="";
   }
  // fn_after_createWin();
  new Draggable(searchId,{handle:searchId});
  var input=el.getElementsByTagName("input");
  for(var i=0;i<input.length;i++){
   if(input[i].getAttribute("type")=="text")
    input[i].focus();
    break;
  }
  /*nowWindowObj.create("searchWin");
  nowWindowObj.setContent(1,$("SearchBarContent"));
  return nowWindowObj;
  */
  
 }
 
 
 function fnCloseSearch(searchId){
  var el=$(searchId);
  if(!el)
   return;
  el.style.display="none";
  fn_after_closeWin();
 }
 
 // hide light box.
 function fn_after_closeWin()
 {
	 hideLightbox();
 }
 // show the lightbox for block screen.
 function fn_after_createWin()
 {
	 showLightbox(null);
 }
///
////

var Window = Class.create();
Window.prototype = {
	// Constructor
	// Available parameters : className, title, minWidth, minHeight, maxWidth, maxHeight, width, height, top, left, bottom, right, resizable, zIndex, opacity, 
	//                        hideEffect, showEffect, showEffectOptions, hideEffectOptions, effectOptions, url, draggable, closable, minimizable, maximizable, parent, onload
	initialize: function(id) {
	  if ($(id))
	    alert("Window " + id + " is already register is the DOM!!, be sure to use setDestroyOnClose()")
	    
		this.hasEffectLib = String.prototype.parseColor != null;
		this.options = Object.extend({
		  className:         "dialog",
      minWidth:          100,
      minHeight:         120,
      resizable:         true,
      closable:          true,
      minimizable:       true,
      maximizable:       true,
      draggable:         true,
      userData:          null,
      showEffect:        (Element.show),
      hideEffect:        (Element.hide),
      showEffectOptions: {},
      hideEffectOptions: {},
      effectOptions:     null,
      parent:            document.getElementsByTagName("body").item(0),
      title:             "&nbsp;",
      url:               null,
      onload:            Prototype.emptyFunction,
      width:             200,
      height:            300,
      opacity:           1
    }, arguments[1] || {});
    		
	  if (this.options.effectOptions) {
	    Object.extend(this.options.hideEffectOptions, this.options.effectOptions);
	    Object.extend(this.options.showEffectOptions, this.options.effectOptions);
	  }
		if (this.options.hideEffect == Element.hide)
		  this.options.hideEffect = function(){ Element.hide(this.element); if (this.destroyOnClose) this.destroy(); }.bind(this)
		  
		this.element = this._createWindow(id);
		
		// Bind event listener
    this.eventMouseDown = this._initDrag.bindAsEventListener(this);
  	this.eventMouseUp   = this._endDrag.bindAsEventListener(this);
  	this.eventMouseMove = this._updateDrag.bindAsEventListener(this);
  	this.eventKeyPress  = this._keyPress.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);
  	
		if (this.options.draggable)  {
			this.bottombar.addClassName("bottom_draggable");
			this.topbar.addClassName("top_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 (arguments[1].left != null) {
			this.element.setStyle({left: parseFloat(arguments[1].left) + 'px'});
			this.useLeft = true;
		}
		if (arguments[1].right != null) {
			this.element.setStyle({right: parseFloat(arguments[1].right) + 'px'});
			this.useLeft = false;
		}
    if (this.useLeft == null) {
	    this.element.setStyle({left: "0px"});
			this.useLeft = true;
    }
    
		if (arguments[1].top != null) {
			this.element.setStyle({top: parseFloat(arguments[1].top) + 'px'});
			this.useTop = true;
		}
		if (arguments[1].bottom != null) {
			this.element.setStyle({bottom: parseFloat(arguments[1].bottom) + 'px'});			
			this.useTop = false;
		}
    if (this.useTop == null) {
			this.element.setStyle({top: "0px"});
			this.useTop = true;
    }

    this.storedLocation = null;
    
		this.setOpacity(this.options.opacity);
		if (this.options.zIndex)
			this.setZIndex(this.options.zIndex)

		this.destroyOnClose = false;

    this._getWindowBorderSize();
    this.width = this.options.width;
    this.height = this.options.height;
    
    if (this.width && this.height)
		  this.setSize(this.options.width, this.options.height);
		this.setTitle(this.options.title)
		Windows.register(this);	    
  },
  
	// Destructor
 	destroy: function() {
		Windows.notify("onDestroy", this);
  	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.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 window deleagte, should have functions: "canClose(window)" 
	setDelegate: function(delegate) {
		this.delegate = delegate
	},
	
	// Gets current window delegate
	getDelegate: function() {
		return this.delegate;
	},
	
	// Gets window content
	getContent: function () {
		return this.content;
	},
	
	// Sets the content with an element id
	setContent: function(id, autoresize, autoposition) {
		var d = null;
		var p = null;

		if (autoresize) 
			d = Element.getDimensions(id);
		if (autoposition) 
			p = Position.cumulativeOffset($(id));

		var content = this.getContent()
		content.appendChild($(id));
		$(id).show();
		if (autoresize) 
			this.setSize(d.width, d.height);
		if (autoposition) 
		  this.setLocation(p[1] - this.heightN, p[0] - this.widthW);	  
	},
	
	setAjaxContent: function(url, options, showCentered, showModal) {
	  this.showFunction = showCentered ? "showCenter" : "show";
	  this.showModal = showModal || false;
	
	  if (options == null)
	    options = {}  
	  this.onComplete = options.onComplete;
	  options.onComplete = this._setAjaxContent.bind(this);
	  
	  new Ajax.Request(url, options);
	},
	
	_setAjaxContent: function(originalRequest) {
	  this.getContent().innerHTML = originalRequest.responseText;
	  if (this.onComplete)
	    this.onComplete(originalRequest);
	  	this[this.showFunction](this.showModal)
	},
	
	// 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() {
    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() }
	  this.destroyOnClose = true;
	},
	
	// initDrag event
	_initDrag: function(event) {
    // Get pointer X,Y
  	this.pointer = [Event.pointerX(event), Event.pointerY(event)];

    // 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'));
			Windows.notify("onStartResize", this);
		}
    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])) 
  			return;

  		this.toFront();

  		if (! this.options.draggable) 
  		  return;
  		Windows.notify("onStartMove", this);
    }  	
  	// 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__');

    // Stop selection while dragging
    document.body.ondrag = function () { return false; };
    document.body.onselectstart = function () { return false; };
    
    Event.stop(event);
  },

  // updateDrag event
	_updateDrag: function(event) {
   	var pointer = [Event.pointerX(event), Event.pointerY(event)];    
		var dx = pointer[0] - this.pointer[0];
		var dy = pointer[1] - this.pointer[1];
		
		// Resize case, update width/height
		if (this.doResize) {
			this.setSize(this.widthOrg + dx , 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) 
				this.element.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) 
				this.element.setStyle({bottom: (this.bottomOrg -dy) + 'px'});
		}
		// Move case, update top/left
		else {
		  this.pointer = pointer;
  		
			if (this.useLeft) 
				this.element.setStyle({left: parseFloat(this.element.getStyle('left')) + dx + 'px'});
			else 
				this.element.setStyle({right: parseFloat(this.element.getStyle('right')) - dx + 'px'});
			
			if (this.useTop) 
				this.element.setStyle({top: parseFloat(this.element.getStyle('top')) + dy + 'px'});
		  else 
				this.element.setStyle({bottom: parseFloat(this.element.getStyle('bottom')) - dy + 'px'});
		}
		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)
			Windows.notify("onEndResize", this);
		else
			Windows.notify("onEndMove", this);
		
		// Release event observing
		Event.stopObserving(document, "mouseup", this.eventMouseUp,false);
    Event.stopObserving(document, "mousemove", this.eventMouseMove, false);

		// Store new location/size if need be
		this._saveCookie()

    Event.stop(event);
    
    // Restore selection
    document.body.ondrag = null;
    document.body.onselectstart = null;
  },

	_keyPress: function(event) {
		//Dialog.cancelCallback();
	},
	
	// 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(event, \""+ id +"\")'> </div>" : "";
		var minDiv = this.options.minimizable ? "<div class='"+ className + "_minimize' id='"+ id +"_minimize' onclick='Windows.minimize(event, \""+ id +"\")'> </div>" : "";
		var maxDiv = this.options.maximizable ? "<div class='"+ className + "_maximize' id='"+ id +"_maximize' onclick='Windows.maximize(event, \""+ id +"\")'> </div>" : "";
		var seAttributes = this.options.resizable ? "class='" + className + "_sizer' id='" + id + "_sizer'" : "class='"  + className + "_se'";
		
    win.innerHTML = closeDiv + minDiv + maxDiv + "\
      <table id='"+ id +"_row1' class=\"top table_window\">\
        <tr>\
          <td class='"+ className +"_nw'>&nbsp;</td>\
          <td class='"+ className +"_n'><div id='"+ id +"_top' class='"+ className +"_title title_window'>"+ this.options.title +"</div></td>\
          <td class='"+ className +"_ne'>&nbsp;</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'>&nbsp;</td>\
            <td class='"+ className +"_s'><div id='"+ id +"_bottom' class='status_bar'>&nbsp;</div></td>\
            <td " + seAttributes + ">&nbsp;</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;
	},
	
	// Sets window location
	setLocation: function(top, left) {
	  if (top < 0)
	    top = 0;
    if (left < 0)
      left= 0
		this.element.setStyle({top: top + 'px'});
		this.element.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) {    
	  width = parseFloat(width);
	  height = parseFloat(height);
	  
		// Check min and max size
		if (width < this.options.minWidth)
			width = this.options.minWidth;

		if (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;

  	this.width = width;
		this.height = height;
		this.element.setStyle({width: width + this.widthW + this.widthE + "px"})
		this.element.setStyle({height: height  + this.heightN + this.heightS + "px"})

		// Update content height
		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)
	},
	
	updateWidth: function() {
    this.setSize(this.content.scrollWidth, this.height)
	},
	
	// Brings window to front
	toFront: function() {
	  if (Windows.focusedWindow == this) 
	    return;
    this.setZIndex(Windows.maxZIndex + 20);
    Windows.notify("onFocus", this);
	},
	
	// Displays window modal state or not
	show: function(modal) {
		if (modal) {
			WindowUtilities.disableScreen(this.options.className, 'overlay_modal', this.getId());
			this.modal = true;			
			this.setZIndex(Windows.maxZIndex + 20);
			Windows.unsetOverflow(this);
			Event.observe(document, "keypress", this.eventKeyPress);	      	
		}
		
		// To restore overflow if need be
		if (this.oldStyle)
		  this.getContent().setStyle({overflow: this.oldStyle});
			
		if (! this.width || !this.height) {
      var size = WindowUtilities._computeSize(this.content.innerHTML, this.content.id, this.width, this.height, 0)
  		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);		
		  
		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();
    Windows.notify("onShow", this);    
	},
	
	// 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.element.visible();
	},
	
	_center: function(top, left) {
		var windowScroll = WindowUtilities.getWindowScroll();    
		var pageSize = WindowUtilities.getPageSize();    

    if (!top)
      top = (pageSize.windowHeight - (this.height + this.heightN + this.heightS))/2;
    top += windowScroll.top
    
    if (!left)
      left = (pageSize.windowWidth - (this.width + this.widthW + this.widthE))/2;
    left += windowScroll.left 
    
    this.setLocation(top, left);
    this.toFront();
	},
	
	_recenter: function(event) {
	  if (this.modal) {
  		var pageSize = WindowUtilities.getPageSize();
  		// set height of Overlay to take up whole page and show
  		if ($('overlay_modal')) {
  		  $('overlay_modal').style.height = (pageSize.pageHeight + 'px');
  		  $('overlay_modal').style.width = (pageSize.pageWidth + 'px');
      }		
  		if (this.centered)
  		  this._center(this.centerTop, this.centerLeft);		
	  }
	},
	
	// Hides window
	hide: function() {
		if (this.modal) {
			WindowUtilities.enableScreen();
			Windows.resetOverflow();
			Event.stopObserving(document, "keypress", this.eventKeyPress);			
		}
		// 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();
		Windows.notify("onHide", this);
	},

  minimize: function() {
    var r2 = $(this.getId() + "_row2");
    var dh = r2.getDimensions().height;
    
    if (r2.visible()) {
      var h  = this.element.getHeight() - dh
      r2.hide()
  		this.element.setStyle({height: h + "px"})
  		if (! this.useTop) {
  		  var bottom = parseFloat(this.element.getStyle('bottom'));
			  this.element.setStyle({bottom: (bottom + dh) + 'px'});
		  }
    } 
    else {
      var h  = this.element.getHeight() + dh;
      this.element.setStyle({height: h + "px"})
  		if (! this.useTop) {
  		  var bottom = parseFloat(this.element.getStyle('bottom'));
			  this.element.setStyle({bottom: (bottom - dh) + 'px'});
		  }
      r2.show();
  		
      this.toFront();
    }
    Windows.notify("onMinimize", this);
		
    // Store new location/size if need be
		this._saveCookie()
  },
  
  maximize: function() {
    if (this.storedLocation != null) {
      this._restoreLocation();
      if(this.iefix) 
  			this.iefix.hide();
    }
    else {
      this._storeLocation();
      Windows.unsetOverflow(this);
      
      var windowScroll = WindowUtilities.getWindowScroll();
  		var pageSize = WindowUtilities.getPageSize();    

			this.element.setStyle(this.useLeft ? {left: windowScroll.left} : {right: windowScroll.left});
  		this.element.setStyle(this.useTop ? {top: windowScroll.top} : {bottom: windowScroll.top});

      this.setSize(pageSize.windowWidth - this.widthW - this.widthE, pageSize.windowHeight - this.heightN - this.heightS)
      this.toFront();
      if (this.iefix) 
  			this._fixIEOverlapping(); 
    }
		Windows.notify("onMaximize", this);

		// Store new location/size if need be
		this._saveCookie()
  },
  
  isMinimized: function() {
    var r2 = $(this.getId() + "_row2");
    return !r2.visible();
  },
  
  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);
  },

	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);
		// Safari size fix
		if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
		  this.setSize(this.width, this.height);
		if (this.doMaximize)
		  this.maximize();
		if (this.doMinimize)
		  this.minimize();
  },
 
  _createHiddenDiv: function(className) {
    var objBody = document.getElementsByTagName("body").item(0);
    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;
      
      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)
    }
  }
};

// Windows containers, register all page windows
var Windows = {
  windows: [],
  observers: [],
  focusedWindow: null,
  maxZIndex: 0,

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

  // 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 a window with its id
  close: function(event, id) {
  	var win = this.getWindow(id);
  	// Asks delegate if exists
    if (win) {
	  	if (win.getDelegate() && ! win.getDelegate().canClose(win)) 
	  		return;
	      if ($(id + "_close"))
	        $(id + "_close").onclick = null;
	      if ($(id + "_minimize"))
	        $(id + "_minimize").onclick = null;	        
	      if ($(id + "_maximize"))
	        $(id + "_maximize").onclick = null;	      
	      
  			this.notify("onClose", win);
  			win.hide();
  	}
  	if (event)
	    Event.stop(event);
  },
  
  // Closes all windows
  closeAll: function() {  
    this.windows.each( function(w) {Windows.close(w.getId())} );
  },
  
  // Minimizes a window with its id
  minimize: function(event, id) {
  	var win = this.getWindow(id)
  	if (win)
  	  win.minimize();
	  Event.stop(event);
  },
  
  // Maximizes a window with its id
  maximize: function(event, id) {
  	var win = this.getWindow(id)
  	if (win)
  	  win.maximize();
	  Event.stop(event);
  },
  
  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;
    this.focusedWindow = win;
  }
};

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

		var windowParam = parameters.windowParameters || {};
		windowParam.className = windowParam.className || "alert";

    okButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " ok_button'" 
    cancelButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " cancel_button'" 
		var content = "\
			<div class='" + windowParam.className + "_message'>" + content  + "</div>\
				<div class='" + windowParam.className + "_buttons'>\
					<input type='button' value='" + okLabel + "' onclick='Dialog.okCallback()'" + okButtonClass + "/>\
					<input type='button' value='" + cancelLabel + "' onclick='Dialog.cancelCallback()' " + cancelButtonClass + "/>\
				</div>\
		";
	  this._openDialog(content, parameters)
	  return this.win
	},
	
	alert: function(content, parameters) {
	  // Get Ajax return before
	  if (typeof content != "string") {
	    Dialog._runAjaxRequest(content, parameters, Dialog.alert);
	    return 
	  }
	  
	  parameters = parameters || {};
		var okLabel = parameters.okLabel ? parameters.okLabel : "Ok";

		var windowParam = parameters.windowParameters || {};
		windowParam.className = windowParam.className || "alert";

    okButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " ok_button'" 
		var content = "\
			<div class='" + windowParam.className + "_message'>" + content  + "</div>\
				<div class='" + windowParam.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 (typeof content != "string") {
	    Dialog._runAjaxRequest(content, parameters, Dialog.info);
	    return 
	  }
	   
	  parameters = parameters || {};
	  parameters.windowParameters = parameters.windowParameters || {};
	  
		var className = parameters.windowParameters.className || "alert";

		var content = "<div id='modal_dialog_message' class='" + className + "_message'>" + content  + "</div>";
		if (parameters.showProgress)
		  content += "<div id='modal_dialog_progress' class='" + className + "_progress'>	</div>";

		parameters.windowParameters.ok = null;
		parameters.windowParameters.cancel = null;
    parameters.windowParameters.className = className;
		
		return this._openDialog(content, parameters)
	},
	
	setInfoMessage: function(message) {
		$('modal_dialog_message').update(message);
	},
	
	closeInfo: function() {
		Windows.close(null, this.dialogId);
	},
	
	_openDialog: function(content, parameters) {
    if (! parameters.windowParameters.height && ! parameters.windowParameters.width) {
      parameters.windowParameters.width = WindowUtilities.getPageSize().pageWidth / 2;
    }
    this.dialogId = parameters.id ? parameters.id : 'modal_dialog';

    // compute height or width if need be
    if (! parameters.windowParameters.height || ! parameters.windowParameters.width) {
      var size = WindowUtilities._computeSize(content, this.dialogId, parameters.windowParameters.width, parameters.windowParameters.height)
  		if (parameters.windowParameters.height)
  		  parameters.windowParameters.width = size + 5
		  else
		    parameters.windowParameters.height = size + 5
    }
		var windowParam = parameters && parameters.windowParameters ? parameters.windowParameters : {};
		windowParam.resizable = windowParam.resizable || false;
		
		windowParam.effectOptions = windowParam.effectOptions || {duration: 1};
    windowParam.minimizable = false;
    windowParam.maximizable = false;
    windowParam.closable = false;
		this.win = new Window(this.dialogId, windowParam);
		this.win.getContent().innerHTML = content;
  	this.win.showCenter(true, parameters.top, parameters.left);	
		this.win.setDestroyOnClose();

		this.win.cancelCallback = parameters.cancel;
		this.win.okCallback = parameters.ok;
		
		return this.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() {
		if (!this.win.okCallback || this.win.okCallback(this.win))
	    this.win.hide();
	},

	cancelCallback: function() {
		this.win.hide();
		if (this.win.cancelCallback)
			this.win.cancelCallback(this.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)
*/

var isIE = navigator.appVersion.match(/MSIE/) == "MSIE";

var WindowUtilities = {
  // From script.aculo.us
  getWindowScroll: function() {
    var w = window;
      var T, L, W, H;
      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(){
  	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;
  	}

  	var windowWidth, windowHeight;

  	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;
  	}	
  	var pageHeight, pageWidth;

  	// 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, contentId) {
		WindowUtilities.initLightbox(overlayId, className);
		var objBody = document.getElementsByTagName("body").item(0);

		// prep objects
	 	var objOverlay = $(overlayId);

		var pageSize = WindowUtilities.getPageSize();

		// Hide select boxes as they will 'peek' through the image in IE
		if (contentId && isIE) {
      $$('select').each(function(element) {element.style.visibility = "hidden"});
	    $$('#'+contentId+' select').each(function(element) {element.style.visibility = "visible"});
		}	
	
		// set height of Overlay to take up whole page and show
		objOverlay.style.height = (pageSize.pageHeight + 'px');
		objOverlay.style.width = (pageSize.windowWidth + 'px');
		objOverlay.style.display = 'block';	
	},

 	enableScreen: function(id) {
 	  id = id || 'overlay_modal';
	 	var objOverlay =  $(id);
		if (objOverlay) {
			// hide lightbox and overlay
			objOverlay.style.display = 'none';

			// make select boxes visible
			if (isIE) {
        $$('select').each(function(element) {element.style.visibility = "visible"});
			}
			objOverlay.parentNode.removeChild(objOverlay);
		}
	},

	// 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) {
		// Already done, just update zIndex
		if ($(id)) {
			Element.setStyle(id, {zIndex: Windows.maxZIndex + 10});
		}
		// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
		else {
			var objBody = document.getElementsByTagName("body").item(0);
			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 + 10;
		 	objOverlay.style.width = '100%';
			objBody.insertBefore(objOverlay, objBody.firstChild);
		}
	},
	
	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) {
    if (margin == null)
      margin = 5;

    var objBody = document.getElementsByTagName("body").item(0);
  	var tmpObj = document.createElement("div");
  	tmpObj.setAttribute('id', id);
	
  	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 = $(id).getDimensions().width + margin;
    else
      size = $(id).getDimensions().height + margin;
  	objBody.removeChild(tmpObj);
    
  	return size;
  }	
}