function mainmenu(menuid,timing){
jQuery(" #"+menuid+" ul ").css({display: "none"}); // Opera Fix
jQuery(" #"+menuid+" li").hover(function(){
		jQuery(this).find('ul:first').css({visibility: "visible",display: "none"}).fadeIn(eval(timing));
		},function(){
		jQuery(this).find('ul:first').css({visibility: "hidden"});
		});
}