$(document).ready(function(){
$("ul#nav li a,ul#subnav li a").fadeTo("slow", 0.9); // This sets the opacity of the thumbs to fade down to 60% when the page loads

$("ul#nav li a, ul#subnav li a").hover(function(){
$(this).fadeTo("slow", 0.9); // This should set the opacity to 100% on hover
},function(){
$(this).fadeTo("slow", 0.5); // This should set the opacity back to 60% on mouseout
$(this).fadeTo("fast", 1.0); // This should set the opacity back to 60% on mouseout
});

});