ActiveArr = [0,0,0,0,0,0,0,0,0,0,
			 0,0,0,0,0,0,0,0,0,0];
function setIndex(cat ,index)
{
	var actEle = cat.toString() + '_' + index.toString();
	var hidEle = cat.toString() + '_' + ActiveArr[cat-1].toString();
	$(hidEle).style.display = "none";
	$(actEle).style.display = "";
	ActiveArr[cat-1] = index;
}