add: this.has_focus = false; 
context:   onBlur: function(event) {    element = Event.element(event);    if(element==this.update) return;    while(element.parentNode)       { element = element.parentNode; if(element==this.update) return; }    this.hide();    this.active = false;  }, 
meta: 1227	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1227/0ffcceffac52cc4ed373eb9db27d6c776b5d96b7/controls.js/clean/actionpack/lib/action_view/helpers/javascripts/controls.js