function menu_toggle(theDiv,theItem,change) {
     var elem = document.getElementById(theDiv);
     var chan = document.getElementById(change);
	 if(elem) {
		 elem.style.display = (elem.style.display == "block")?"none":"block";
		 elem.className = (elem.className == theItem)?"":theItem;
	 }
	 if(chan) {
		 chan.style.backgroundColor = "transparent";
	 }
}