function kdMenuHover(tbl,idx,cls)
{
	var t,d;
	if (document.getElementById)
		t=document.getElementById(tbl);
	else 
		t=document.all(tbl);

	if (t==null)
	{
		alert("no t");
		return;
	}

	if (t.getElementsByTagName)
		d=t.getElementsByTagName("TD");
	else 
		d=t.all.tags("TD");

	if (d==null)
	{
		alert("no d");
		return;
	}
	
	if (d.length<=idx)
	{
		alert("idx");
		return;
	}
	d[idx].className=cls;

}