$(document).ready(function() {
				/* for top navigation */
				$(" #nav ul ").css({display: "none"}); // Opera Fix
				$(" #nav li").hover(function(){
					$(this).find('ul:first').css({visibility: "visible",display: "none"}).slideDown(400);
				},function(){
					$(this).find('ul:first').css({visibility: "hidden"});
				});
				
				$.timer(1000,function(){trTarih();});
});