function mainmenu(){
        $mtnav(" #nav ul ").css({display: "none"}); // Opera Fix
        $mtnav(" #nav li").hover(function(){
                $mtnav(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
                },function(){
                $mtnav(this).find('ul:first').css({visibility: "hidden"});
                });
}
function dropmenu(){
        $mtnav(" #mt-dropdown ul ").css({display: "none"}); // Opera Fix
        $mtnav(" #mt-dropdown li").hover(function(){
                $mtnav(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
                },function(){
                $mtnav(this).find('ul:first').css({visibility: "hidden"});
                });
}
$mtnav(document).ready(function(){		
            mainmenu();
            dropmenu();
});