rem: element.style.display = (element.style.display == 'none' ? '' : 'none'); 
add: Element[Element.visible(element) ? 'show' : 'hide'](element); 
context:   toggle: function() {    for (var i = 0; i < arguments.length; i++) {      var element = $(arguments[i]);      element.style.display =         (element.style.display == 'none' ? '' : 'none');    }  },
meta: 883	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/883/7d101d58400acaff232091485c8e140f0a37cbaf/prototype.js/buggy/railties/html/javascripts/prototype.js