function showSubCats(div_id,content_div){
	var ctd = getelementbyid(div_id);
	var scrollCoords = getScrollCoords();
	clientX  = getPos(ctd,"Left")+5;
	clientY  = getPos(ctd,"Top")+15;
	setContent('sub_cats_div_contents','');
	setContent('sub_cats_div_contents',getContent(content_div));
	showLayer('sub_cats_div');
}