jquery getUrlVars extension

jqueryGetUrlVars

//adapted from http://stackoverflow.com/questions/6001839/check-whether-a-url-variable-is-set-using-jquery
//modified to return empty array when no ? params are set
$.extend({
    getUrlVars: function(){  //return all vars set in $_GET
      var vars = [], hash;
      if (window.location.href.indexOf('?') != -1) {
        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 single var value by name
      return $.getUrlVars()[name];
    }
  });