function switchMenu(section){
	obj=document.getElementById("IDmenu");
	for(var i in obj.childNodes){
		iobj=obj.childNodes[i];
		if(iobj.nodeName=="A"){
			iobj.className=iobj.id.indexOf(section)>-1?"active":"";
		}
	}

	obj=document.getElementById("IDsubMenu");
	for(var i in obj.childNodes){
		iobj=obj.childNodes[i];
		if(iobj.nodeName=="DIV"){
			iobj.className="";
		}
	}
	
	document.getElementById("IDsubMenu"+section).className="active";
}