function mainmenu(){
$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(function(){

		$(this).find('ul:first').css({visibility: "visible",display: "none",zIndex: "100"}).show(400);
		/*$(this).css({'background': "url(/images/navrollover.jpg) left no-repeat #FFF"});
		$(this).find('ul:first').css({'background': "url(/images/navrollover.jpg) left no-repeat #FFF"});*/
		},function(){
		/*$(this).css({'background-image': "none"});*/
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}
$(document).ready(function(){					
	mainmenu();
});