var J = jQuery.noConflict(); 

function mainmenu(){
J(" #nav ul ").css({display: "none"}); // Opera Fix
J(" #nav li").hover(function(){
		J(this).find('ul:first').css({visibility: "visible",display: "none"}).show(100).animate({top:"-=15px"},100).animate({top:"+=15px"},100).animate({top:"-=10px"},100)
.animate({top:"+=10px"},100).animate({top:"-=5px"},100).animate({top:"+=5px"},100);
;
		},function(){
		J(this).find('ul:first').css({visibility: "hidden"});
		});
}

J(document).ready(function(){					
	mainmenu();
});