this.each(function(value, index) { if (iterator(value, index)) { result = value; throw $break; } }); 
this._each(function(value) { iterator(value, index++); }); 
    this.each(function(value, index) {      if (iterator(value, index)) {        result = value;        throw $break;      }    });
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/0097375444aef03d8cdcdbe6705c1ea088b9b188/prototype.js/clean/wp-includes/js/scriptaculous/prototype.js