ÿþfunction mainmenu(){( $(" #nav ul ").css({display: "none"});( $(" #nav li").hover(function(){( 		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);( 		},function(){( 		$(this).find('ul:first').css({visibility: "hidden"});( 		});( }( (  (  (  $(document).ready(function(){					( 	mainmenu();( });( ( function addBookmark(title,url) {( if (window.sidebar) {( window.sidebar.addPanel(title, url,"");( } else if( document.all ) {( window.external.AddFavorite( url, title);( } else if( window.opera && window.print ) {( return true;( }( }( (  (          ( (