var subOpen=false;
	var the_timeout;
	
	function showLayer(id)
	{
		document.getElementById(id).style.visibility="visible";
	}
	
	function hideLayer(id)
	{
		//hideAllLayers();
		if(subOpen==false){
			document.getElementById('Layer1').style.visibility="hidden";
			
		}
	}
	
	function hideAllLayers()
	{
			document.getElementById('Layer3').style.visibility="hidden";
			document.getElementById('Layer2').style.visibility="hidden";
			document.getElementById('Layer1').style.visibility="hidden";
		subOpen=false;
	}

	function showSubLayer(id)
	{
				document.getElementById(id).style.visibility="visible";
				subOpen=true;
	}

	function hideSubLayer(id)
	{
				document.getElementById(id).style.visibility="hidden";
				subOpen=false;
				the_timeout = setTimeout("hideLayer('Layer1');",100);
	}
	
	function placeLayer(){
	var width=document.body.offsetWidth;
	var height=document.body.offsetHeight;
	var table=780;
	var pos;
	pos=((width-table)/2)+193;
	if(pos<=0)
	{
		pos=0;
	}
	document.getElementById("Layer1").style.left=pos;
	document.getElementById("Layer2").style.left=pos+98;
	document.getElementById("Layer3").style.left=pos+98;
	if(width<780)
	{
	document.getElementById("Layer1").style.left=200;
	document.getElementById("Layer2").style.left=298;
	document.getElementById("Layer3").style.left=298;
	}
	}