jQuery.fn.addEvent = jQuery.fn.bind;

if (!Array.prototype.filter)
{
  Array.prototype.filter = function(fun /*, thisp*/)
  {
    var len = this.length >>> 0;
    if (typeof fun != "function")
      throw new TypeError();

    var res = [];
    var thisp = arguments[1];
    for (var i = 0; i < len; i++)
    {
      if (i in this)
      {
        var val = this[i]; // in case fun mutates this
        if (fun.call(thisp, val, i, this))
          res.push(val);
      }
    }

    return res;
  };
}
  
if (!Array.prototype.forEach)
  {
    Array.prototype.forEach = function(fun /*, thisp*/)
    {
      var len = this.length >>> 0;
      if (typeof fun != "function")
        throw new TypeError();

      var thisp = arguments[1];
      for (var i = 0; i < len; i++)
      {
        if (i in this)
          fun.call(thisp, this[i], i, this);
      }
    };
}