var d=document;
function exp(e){
	var event_target;
	if(!e){var e = window.event;}
	if(e.target){event_target = e.target;}
	else if(e.srcElement){event_target = e.srcElement;}
	if(event_target.nodeType==3){event_target=event_target.parentNode;}
	childmenus = event_target.getElementsByTagName("ul");
	if(childmenus.length > 0){if(childmenus[0].className==""){childmenus[0].className="show"}else{childmenus[0].className=""}}
}

function exp2(e){
	var event_target;
	if(!e){var e = window.event;}
	if(e.target){event_target = e.target;}
	else if(e.srcElement){event_target = e.srcElement;}
	if(event_target.nodeType==3){event_target=event_target.parentNode;}
	
	childmenus = event_target.getElementsByTagName("ul");
	if(childmenus.length > 0){if(childmenus[0].style.display=="none"){childmenus[0].style.display=""}else{childmenus[0].style.display="none"}}
}

function hideMenuItems(excl){
	uls = d.getElementById('menu').getElementsByTagName('ul');
	for(i=0,a=uls.length;i<a;i++){
		if(uls[i].parentNode.id != "menu_"+excl){ 
			uls[i].style.display="none";
		}
	}
}