function mainmenu(){
$(" .menu ul ").css({display: "none"}); // Opera Fix
$(" .menu li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).slideDown(500);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}

 
 
 $(document).ready(function(){					
	mainmenu();
});
 
 
 	/* Thank you to Suckerfish & Patrick Griffiths for this code snippet */
	showMenu = function() {
		var subMenuItems = document.getElementById("topMenu").getElementsByTagName("li");
		for (var i=0; i<subMenuItems.length; i++) {
			subMenuItems[i].onmouseover=function() {
				this.className+=" showMenu";
			}
			subMenuItems[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" showMenu\\b"), "");
			}
		}
	}
	
	if (window.attachEvent) window.attachEvent("onload", showMenu);