} 
}; 
  Array.prototype.concat = function() {    var array = [];    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);    for (var i = 0, length = arguments.length; i < length; i++) {      if (arguments[i].constructor == Array) {        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)          array.push(arguments[i][j]);      } else {        array.push(arguments[i]);      }    }    return array;  }
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/0097375444aef03d8cdcdbe6705c1ea088b9b188/prototype.js/clean/wp-includes/js/scriptaculous/prototype.js