// ### DO NOT EDIT BELOW THIS LINE ###
function PageQuery(q) {
  if(q.length > 1) this.q = q.substring(1, q.length);
  else this.q = null;
  this.keyValuePairs = new Array();
  if(q) {
    for(var i=0; i < this.q.split("&").length; i++) {
      this.keyValuePairs[i] = this.q.split("&")[i];
    }
  }
  this.getKeyValuePairs = function() { return this.keyValuePairs; }

  this.getValue = function(s) {
    for(var j=0; j < this.keyValuePairs.length; j++) {
      if(this.keyValuePairs[j].split("=")[0] == s)
	return this.keyValuePairs[j].split("=")[1];
    }
    return "";
  }

  this.getParameters = function() {
    var a = new Array(this.getLength());
    for(var j=0; j < this.keyValuePairs.length; j++) {
      a[j] = this.keyValuePairs[j].split("=")[0];
    }
    return a;
  }

  this.getLength = function() { return this.keyValuePairs.length; }
}

function queryString(key){
  var page = new PageQuery(window.location.search);
  return escape(unescape(page.getValue(key)));
}