var $j = jQuery.noConflict();

$j(document).ready(function() {
	//dropdown menu
	$j("#nav ul").css({display: "none"}); // Opera Fix
	$j("#nav li").hover(function(){
	$j(this).find('ul:first').css({visibility: "visible",display: "none"}).show(); },function(){ $j(this).find('ul:first').css({visibility: "hidden"}); });

});