$(document).ready(function() {   
$('div.demo-show > div').hide();
var hrefParts = location.href.split('&');
var thisPage = hrefParts[hrefParts.length-1];
$('div.demo-show div:has(a[href*=' + thisPage + '])').show();

$('div.demo-show > h2,h3').mouseover(function() {
$(this).next('div').slideToggle('fast')
.siblings('div:visible').slideUp('fast');
});
});