function submenu(menuid) {
	var menuname;
	var parentname;
	var drr;
	var prr;
	
	menuname = "subcategory" + menuid;
	parentname = "category" + menuid;
	document.getElementById("left").style.height = document.getElementById("left_inner").offsetHeight+150;
		if(document.getElementById(menuname)) {
			drr=document.getElementById(menuname).className;
		}
		if(document.getElementById(parentname)) {
			prr=document.getElementById(parentname).className;
		}
		if(drr=="hideme") {
    	    document.getElementById(menuname).className="showme";
			document.getElementById(parentname).className="top_cat_active";
		}
		if(drr=="showme") {
        	document.getElementById(menuname).className="hideme";
            document.getElementById(parentname).className="top_cat";
		}
}