jQuery(document).ready(function(){
	/*main menu drop down sub-menu*/
	jQuery("ul.sub-menu").css({display: "none"}); // Opera Fix
	jQuery("ul.sub-menu").parent().hover(function(){
	jQuery(this).find('ul.sub-menu').css({visibility: "visible",display: "none"}).fadeIn(250);
	},
	function(){
	jQuery(this).find('ul.sub-menu').css({visibility: "hidden"});
	});
});