rem: element.disabled = ''; 
add: element.disabled = true; 
context:   disable: function(element) {    element = $(element);    element.disabled = '';    return element;  },
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/prototype.js/clean/www/resources/prototype/prototype.js