function myDimensions(){
				var frame= new Object;
				
				if (self.innerWidth)
				{
					frame.frameWidth = self.innerWidth;
					frame.frameHeight = self.innerHeight;
					
					frame.scrollHeight=document.body.scrollHeight;
					frame.scrollWidth=document.body.scrollWidth;
					
					frame.screenWidth=screen.width;
					frame.screenHeight=screen.height;
					
					return frame;
				}
				else if (document.documentElement && document.documentElement.clientWidth)
				{
					frame.frameWidth = document.documentElement.clientWidth;
					frame.frameHeight = document.documentElement.clientHeight;
					
					frame.scrollHeight=document.body.scrollHeight;
					frame.scrollWidth=document.body.scrollWidth;
					
					frame.screenWidth=screen.width;
					frame.screenHeight=screen.height;
					
					return frame;
				}
				else if (document.body)
				{
					frame.frameWidth = document.body.clientWidth;
					frame.frameHeight = document.body.clientHeight;
					
					frame.scrollHeight=document.body.scrollHeight; 
					frame.scrollWidth=document.body.scrollWidth;
					
					frame.screenWidth=screen.width;
					frame.screenHeight=screen.height;
					
					return frame;
				}
				else return;
			
			}
calculateCentre=function(divId){
					 
				 	dims= new Object();
				 	divObj=document.getElementById(divId);
				 	divWidth=parseInt(divObj.style.width);
				 	divHeight=parseInt(divObj.style.height);
				 	divHeight=400;
				 	if(!divWidth){
				 		divWidth=divObj.offsetWidth;
				 	}
				 	pageDims=myDimensions();
				 	frameWidth=pageDims.frameWidth;
				 	frameHeight=pageDims.frameHeight;
				 	hpw=frameWidth/2;
				 	hph=frameHeight/2;
				 	dw=divWidth/2;
				 	dh=divHeight/2;
				 	dims.l=hpw-dw;
				 	dims.t=hph-dh;
				 	return dims;
				 }	


showLayeredDiv=function(divId,toClear){
					
					
						
				 	divdim= calculateCentre(divId);
				 	divObj=document.getElementById(divId);
				 	layerObj=document.getElementById('Layer');
					
				 	//var objs=document.getElementsByTagName('select');
				 	if(divObj.style.display=='none'){
						divObj.style.display=='block';
				 		dimensions=myDimensions();
				 		layerObj.style.left=0+"px";						
				 		layerObj.style.top=0+"px";
				 		layerObj.style.display='block';						
				 		layerObj.style.filter = 'alpha(opacity=60)';
				 		layerObj.style.width=dimensions.scrollWidth+10+"px";
				 		layerObj.style.height=dimensions.scrollHeight+10+"px";				
						layerObj.style.zIndex='2';
				 		divObj.style.zIndex='3';
				 		divObj.style.display='block';
				 		divObj.style.left=divdim.l+"px";
				 		divObj.style.top=divdim.t+"px";
				 		divObj.style.zIndex='3';
						
				 	}else{
				 		divObj.style.display='none';
				 		layerObj.style.display='none';
				 	}
				 }
			
	function removeDiv(divId){
				showLayeredDiv(divId);
				return false;
			}