function show_lay(num)
{
	for (var i=1;i<= 6;i++)
	{
		if (num==i)
		{
			document.all["lay_"+i].style.display="block";
			document.all["tdlay_"+i].style.backgroundColor="#5C5C5C";
		}
		else
		{
			document.all["lay_"+i].style.display="none";
			document.all["tdlay_"+i].style.backgroundColor="#A9A9A9";
		}
	}
}

function TableMouseOver(Obj){
	Obj.style.backgroundColor='#cccccc';
}
function TableMouseOut(Obj){
	Obj.style.backgroundColor='';
}

function TableMouseOver4(Obj){
	Obj.style.backgroundColor='#F5F5F5';
}
function TableMouseOut4(Obj){
	Obj.style.backgroundColor='';
}