function show_div(tmp)
{
	arr=tmp.split(",");
	for(i=0;i<arr.length;i++)
	{
		document.getElementById(arr[i]).style.display="block";
	}
}

function hide_div(tmp)
{
	arr=tmp.split(",");
	for(i=0;i<arr.length;i++)
	{
		document.getElementById(arr[i]).style.display="none";
	}
}
function colorChange(tdd)
{
	document.getElementById(tdd).className="shading1";
}
function colorChangeOut(tdd)
{
	document.getElementById(tdd).className="shading";
}