var _menuitem = 0;

function mopen(id) {	
	if(_menuitem) mclose();
	
	_menuitem = $('#'+id);
	_menuitem.id = id;
	
	if(id=="menu_layer"){
		$('#mm1').attr('class', 'mm1_open');
		$('#mm2').attr('class', 'mm2_open');
		
		if(_alertBar){
			var position = "top:"+(105+_alertBar)+"px;";
		}else{
			var position = "top:105px;";
		}
		$('#menu_layer').attr("style", position);
		
	}else if(id=="pm_layer"){
		
		if(_alertBar){
			var position = "top:"+(141+_alertBar)+"px;";
		}else{
			var position = "top:141px;";
		}
		$('#pm_layer').attr("style", position);

	}else if(id=="user_menu_layer"){
		$('#profile').attr('class', 'umenu2');
		
		var pos = $('#profile').position();
		var position = "left:"+(pos.left-$('#'+id).width()+$('#profile').width()+10)+"px;";
		//position += "top:"+(pos.top+$('#profile').height())+"px;";
		
		_menuitem.attr("style", position);
	}
	
	$(_menuitem).show();
}

function mclose(){
	if(_menuitem){
		$(_menuitem).hide();

		if(_menuitem.id=="menu_layer"){
			$('#mm1').attr('class', '');
			$('#mm2').attr('class', '');
		}else if(_menuitem.id=="user_menu_layer"){
			$('#profile').attr('class', 'umenu');
		}

		_menuitem	= 0;
	}
}

document.onclick = mclose;