// nav bar described here:   http://www.kriesi.at/archives/create-a-multilevel-dropdown-menu-with-css-and-improve-it-via-jquery     

function mainmenu(){
$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(function(){
			$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(200);   // mouse over
		},
		function(){
			$(this).find('ul:first').css({visibility: "hidden"});			// mouse out
		});
}


$(document).ready(function(){					
	
	 mainmenu();
	 
});