activeID='';
	
	function toggleDisplay(id, state)
	{
		if(!document.getElementById(id))
			return;
			
		if(state=='' || navigator.appName == 'Microsoft Internet Explorer')
			state='block';
	
		if(activeID=="")
			activeID="text1";
	
		if(id==activeID)
			return;
		
	
		if(document.getElementById(id).style.display=="none")
		{	
			if(activeID!='')
				document.getElementById(activeID).style.display="none";
				
			document.getElementById(id).style.display=state;
			activeID=id;
		}
		else
		{
			document.getElementById(id).style.display="none";
			activeID='';
		}
	}
	
	function toggleLayerDisplay(id,state)
	{
		if(!document.getElementById(id))
			return;
		
			
		if(state==1)
			document.getElementById(id).style.display="block";
		else if(state==0)
			document.getElementById(id).style.display="none";
	}	
	
	function toggleImage(id,url)
	{
		if(!document.getElementById(id) || url=="")
			return;
		
		document.getElementById(id).src=url;
	}	
	
	function showImage(url)
	{
		if(url=="")
			return;
			
		document.images['bigImageContainer'].src=url;
		location.hash="top";
	}