var get_vars = new Array();

var IE = (navigator.userAgent.indexOf('MSIE') > -1);
var search = location.search.substr(1);
if (IE) search = unescape(search);

var pairs = search.split('&');
for (var i = 0; i < pairs.length; i++) {
  var items = pairs[i].split('=');
  get_vars[unescape(items[0])] = items[1];
}