return function() { 
var parent = null, properties = $A(arguments); if (Object.isFunction(properties[0])) parent = properties.shift();  function klass() { 
  create: function() {    return function() {      this.initialize.apply(this, arguments);    }  }
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/0097375444aef03d8cdcdbe6705c1ea088b9b188/prototype.js/clean/wp-includes/js/scriptaculous/prototype.js