$(document).ready(function(){
$('#banner').dialog({
autoOpen: false,
modal: true,
width: 910,
height: 1165,
closeOnEscape: true,
resizable: false,
show: 'slide',
buttons: { "Close Window": function() { $(this).dialog("close"); } }
});
function closebanner() {$('#banner').dialog("close");}
setTimeout(closebanner, 20000);
 });