var popupWindow = {
	attr_values: [],
	default_title: 'Unblockable Popup',
	body_bg_color: upop_bgcolor,
	border_thickness: upop_borderthickness,
	border_color: upop_bordercolor,
	images: [path+'images/close2.gif'],
	pwdby: upop_pwd,
	
	/*
	 * Creates attributes array of key value pairs
	 */
	setAttributes:function(attributes) {
		var attr = attributes.split(',');
		for (var i=0; i<attr.length; i++) {
			var pos = attr[i].indexOf('='); 
			if (pos > 0) {
			   var key = attr[i].substring(0,pos);
			   var val = attr[i].substring(pos+1);
			   this.attr_values[key] = val;
			  
			}
		}
	},
	
	/*
	 * Extract attribute value given the attribute name
	 */
	getAttribute:function(attr_name) {
		if ( !this.attr_values[attr_name] ) {
			if ( attr_name == 'left' || attr_name == 'top' ) {
				this.attr_values[attr_name] = "center";
			} else {
				this.attr_values[attr_name] = '';
			}
		}
		return this.attr_values[attr_name];
	},
	
	/*
	 * Get client's height/width
	 */
	getClientData:function(){
		var ua   = navigator.userAgent.toLowerCase();
		var isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1)); 
		this.scrollTop    = (isIE) ? document.documentElement.scrollTop    : window.pageYOffset;
		this.scrollLeft   = (isIE) ? document.documentElement.scrollLeft   : window.pageXOffset;
		this.clientWidth  = (isIE) ? document.documentElement.clientWidth  : window.innerWidth;
		this.clientHeight = (isIE) ? document.documentElement.clientHeight : window.innerHeight;
	},
	
	/*
	 * Move the popup window to desired location
	 */
	positionPopup:function(x, y){ 
		this.getClientData();
		if ( x == "center" ) {
			this.popup.style.left = this.scrollLeft+(this.clientWidth-this.popup.offsetWidth)/2+"px";
		} else {
			this.popup.style.left = this.scrollLeft+parseInt(x)+"px";
		}
		if ( y == "center" ) {
			this.popup.style.top = this.scrollTop+(this.clientHeight-this.popup.offsetHeight)/2+"px";
		} else {
			this.popup.style.top = this.scrollTop+parseInt(y)+"px";
		}
	},
	
	/*
	 * Sets width and height of popup window
	 */
	setDimension:function(width, height){
		this.popup.style.width = parseInt(width)+"px";
		this.popup.popupContentArea.style.height = parseInt(height)+"px";
	},
	
	/*
	 * Enable/disable scrollbars
	 */
	setScrollbar:function(scrolling){
		this.popup.popupContentArea.style.overflow = "hidden";
		if ( scrolling ) {
			this.popup.popupContentArea.style.overflow = "auto";
		}
	},
	
	/*
	 * Loads the title and body into popup window
	 */
	loadContent:function(thebody, thetitle){
		this.popup.popupContentArea.innerHTML = thebody;
	},
	
	/*
	 * Restores Popup window
	 */
	restorePopup:function(minimizeImg){
		popupWindow.getClientData();
		this.popup.popupContentArea.style.display = "block";
		this.popup.style.left  = parseInt(this.popup.prevX)+popupWindow.scrollLeft+"px";
		this.popup.style.top   = parseInt(this.popup.prevY)+popupWindow.scrollTop+"px";
		this.popup.style.width = parseInt(this.popup.prevWidth)+"px";
	},
	
	/*
	 * Closes popup window
	 */
	closePopup:function(){
		this.popup.style.display = "none";
		hideLightbox();
		return true;
	},
	
	/*
	 * sets mouse move events to Null
	 */
	setNull:function(){
		document.onmousemove = null;
		document.onmouseup   = null;
	},
	
	/*
	 * Creates popup window and assigns attributes to it
	 */
	createPopup:function() {
		var popupdiv = document.createElement("div");
		popupdiv.id  = popup;
		popupdiv.style.position = "absolute";
		popupdiv.style.border   = this.border_thickness+"px solid "+this.border_color;
		popupdiv.style.backgroundColor = this.body_bg_color;
		popupcontent = '<div style="padding:4px; text-align:left; color:#000000;" id="popupContentArea"></div><div style="width:100%"><span style="width:82%;float:left;padding:2px 0px 2px 0px;text-align:left">&nbsp;&nbsp;'+this.pwdby+'</span><span style="width:18%;float:right;padding:2px 0px 2px 0px;"><img src="'+this.images[0]+'" title="Close" border="0" onclick="popupWindow.closePopup()" hspace="4" style="cursor:hand;cursor:pointer"/></span></div></div>';	
		popupdiv.innerHTML = popupcontent;
		document.getElementById("popupwrapper").appendChild(popupdiv);
		if ( this.zIndexvalue ) this.zIndexvalue++;
		else this.zIndexvalue = 100;
		var popup = document.getElementById(popup);
		var divs  = popup.getElementsByTagName("div");
		/********** for fixing IE 8 bug jan 11-2010************/ 
		var Browser = {
		  Version: function() {
			var version = 999; // we assume a sane browser
			if (navigator.appVersion.indexOf("MSIE") != -1)
			  // bah, IE again, lets downgrade version number
			  version = parseFloat(navigator.appVersion.split("MSIE")[1]);
			return version;
		  }
		}
		
		if ( Browser.Version() == 8 ) {	 
			for (var i=0; i<divs.length-2; i++) {
				popup[divs[i].id] = divs[i];
			}
		
		} else { 
		
		/********** Fix for IE8 Compatibility Mode end ************/ 
		
		if (document.documentMode){
			
			for (var i=0; i<divs.length-2; i++) {
				popup[divs[i].id] = divs[i];
			}
			
		} else {
			
			for (var i=0; i<divs.length; i++) {
				popup[divs[i].id] = divs[i];
			}			
			
		} 
		/********** Fix for IE8 Compatibility Mode end ************/ 
		
		}
		/********** end of fixing IE 8 bug ************/ 
		popup.style.zIndex = this.zIndexvalue;
		return popup;
	},
	
	/*
	 * opens the popup window
	 */
	openPopup:function(thetitle, thebody, attributes) {
		this.setAttributes(attributes);
		this.title    = thetitle;
		var width     = this.getAttribute("width");
		var height    = this.getAttribute("height");
		var left      = this.getAttribute("left");
		var top       = this.getAttribute("top");
		var resize    = this.getAttribute("resize");
		var scrolling = this.getAttribute("scrolling");
		this.popup    = this.createPopup();
		this.popup.setDimension  = function(width, height){popupWindow.setDimension(width, height);}
		this.popup.setScrollbar  = function(scrolling){popupWindow.setScrollbar(scrolling);}
		this.popup.loadContent   = function(thebody, thetitle){popupWindow.loadContent(thebody, thetitle);}
		this.popup.positionPopup = function(left, top){popupWindow.positionPopup(left, top);}
		this.popup.setDimension(width, height);
		this.popup.setScrollbar(scrolling);
		this.popup.loadContent(thebody, thetitle);
		this.popup.positionPopup(left, top);
		return this.popup;
	}
}
document.write('<div id="popupwrapper"><a style="display:none">-</a></div>');