function grayOut(vis, options) {
		// Pass true to gray out screen, false to ungray
		// options are optional.  This is a JSON object with the following (optional) properties
		// opacity:0-100         // Lower number = less grayout, higher = more of a blackout 
		// zindex: #             // HTML elements with a higher zindex appear on top of the gray out
		// bgcolor: (#xxxxxx)    // Standard RGB Hex color code
		// grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
		// Because options is JSON opacity/zindex/bgcolor are all optional and can appear
		// in any order.  Pass only the properties you need to set.
		var options = options || {}; 
		var zindex = options.zindex || 50;
		var opacity = options.opacity || 70;
		var opaque = (opacity / 100);
		var bgcolor = options.bgcolor || 'gray';
		var dark=document.getElementById('darkenScreenObject');
		if (!dark) {
			// The dark layer doesn't exist, it's never been created.  So we'll
			// create it here and apply some basic styles.
			// If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
			var tbody = document.getElementsByTagName("body")[0];
			var tnode = document.createElement('div');           // Create the layer.
				tnode.style.position='absolute';                 // Position absolutely
				tnode.style.top='0px';                           // In the top
				tnode.style.left='0px';                          // Left corner of the page
				tnode.style.overflow='hidden';                   // Try to avoid making scroll bars            
				tnode.style.display='none';                      // Start out Hidden
				tnode.id='darkenScreenObject';                   // Name it so we can find it later
				tbody.appendChild(tnode);                            // Add it to the web page
			dark=document.getElementById('darkenScreenObject');  // Get the object.
		}
		if (vis) {
			// Calculate the page width and height 
			if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) {
				//var pageWidth = document.body.scrollWidth+'px';
				//var pageWidth = document.documentElement.clientWidth+'px';
				//var pageWidth = window.innerWidth+'px';
				var pageWidth='100%';
				//var pageHeight = document.body.scrollHeight+'px';
				//var pageHeight = document.documentElement.clientHeight+'px';
				//var pageHeight = window.innerHeight+'px';
				var pageHeight='100%';
			} else if( document.body.offsetWidth ) {
				var pageWidth = document.body.offsetWidth+'px';
				var pageHeight = document.body.offsetHeight+'px';
			} else {
				var pageWidth='100%';
				var pageHeight='100%';
			}   
			//set the shader to cover the entire page and make it visible.
			dark.style.opacity=opaque;                      
			dark.style.MozOpacity=opaque;                   
			dark.style.filter='alpha(opacity='+opacity+')'; 
			dark.style.zIndex=zindex;        
			dark.style.backgroundColor=bgcolor;  
			dark.style.width= pageWidth;
			dark.style.height= pageHeight;
			dark.style.display='block';				 
		} else {
			dark.style.display='none';
		}
	}
	

	// Script Source: CodeLifter.com
// Copyright 2003
// Do not remove this notice.

// SETUPS:
// ===============================

// Set the horizontal and vertical position for the popup

PositionX = 50;
PositionY = 50;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 500;
defaultHeight = 500;

// Set autoclose true to have the window close automatically
// Set autoclose false to allow multiple popup windows

var AutoClose = true;

// Do not edit below this line...
// ================================
if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=yes,resizable=1,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=yes,resizable=1,width=150,height=100,left='+PositionX+',top='+PositionY;
function popImage(imageURL,imageTitle){
if (isNN){imgWin=window.open('about:blank','',optNN);}
if (isIE){imgWin=window.open('about:blank','',optIE);}
with (imgWin.document){
writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');writeln('<sc'+'ript>');
writeln('var isNN,isIE;');writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
writeln('isNN=(navigator.appName=="Netscape")?1:0;');writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
writeln('function reSizeToImage(){');writeln('if (isIE){');writeln('window.resizeTo(300,300);');
writeln('width=300-(document.body.clientWidth-document.images[0].width);');
writeln('height=300-(document.body.clientHeight-document.images[0].height);');
writeln('window.resizeTo(width,height);}');writeln('if (isNN){');       
writeln('window.innerWidth=document.images["theImage"].width;');writeln('window.innerHeight=document.images["theImage"].height;}}');
writeln('function doTitle(){document.title="'+imageTitle+'";}');writeln('</sc'+'ript>');
if (!AutoClose) writeln('</head><body bgcolor="#000000" scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
else writeln('</head><body bgcolor="#000000" scroll="yes" onload="reSizeToImage();doTitle();self.focus()">');
writeln('<img name="theImage" src='+imageURL+' style="display:block"></body></html>');
close();		
}}