function menu(){
	this.showMenu=function(menuID)
	{
			this.menuID=menuID;		
			document.getElementById(menuID).style.display='';
			setTimeout("menu.showMenuNone(menu.menuID)",3000);
		
	};
	this.jumpurl=function(url){ //v3.0
		window.location.href=url;
	};
	this.showMenuNone=function (menuID)
	{
				document.getElementById(menuID).style.display='none';	
	}
}
var menu=new menu();