function ToggleCollapse_menu(objid){
	obj=document.getElementById(objid);
	img=document.getElementById('clp_'+objid);
	if (!obj) {return false;}
	if (obj.style.display=="none") 
			{
			obj.style.display = "";
			img.src="fileadmin/templates/si/images/minus2.gif";
			}
		else {
			obj.style.display = "none";
			img.src="fileadmin/templates/si/images/plus2.gif";
		    }
	return false;
	}