$.extend(
{
  getUrlVars: function()
  {
    var vars = [], hash;
    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
    
    for (var i = 0; i < hashes.length; i++)
    {
      hash = hashes[i].split('=');
      vars.push(hash[0]);
      vars[hash[0]] = hash[1];
    }
    return vars;
  },
  
  getUrlVar: function(name)
  {
    return $.getUrlVars()[name];
  },
  
  arrayLength: function(data)
  {
     var length = 0;
     $.each(data, function(key, value) { length++ });
     return length;
  }
});