if (this.lastValue != value) { 
var changed = ('string' == typeof this.lastValue && 'string' == typeof value ? this.lastValue != value : String(this.lastValue) != String(value)); if (changed) { 
  onTimerEvent: function() {    var value = this.getValue();    if (this.lastValue != value) {      this.callback(this.element, value);      this.lastValue = value;    }  }
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/15b6168787a6a25fd1fbbc41a3a5227b899071a9/prototype.js/clean/wp-includes/js/scriptaculous/prototype.js