// kudos to Q-rious: www.lol.dk

function showMenu(id){
	var elm = document.getElementById(id);
	if( elm == null )
		return;
	if(elm.style.display != 'none'){
		elm.style.display = 'none'
	}
	else{
		elm.style.display = ''
		//Opera render hack
		elm.style.height = '100%'
		elm.style.height = ''
		// IE7 render hack
		setTimeout('force("'+id+'")',10);
		elm.innerHTML = elm.innerHTML;
	}
}

function force(id){
	var elm = document.getElementById(id);
	elm.innerHTML = elm.innerHTML;
}

function openPrevious(){
	var ref = (document.URL).split("&m=");
	if(ref.length > 1){
		var menus = ref[1].split("_");
		var compound = "m";
		for(var i = 1; i <= menus.length+1; i++){		
			compound += "_" + menus[i];
			showMenu(compound);
		}	
	}
}