rem: element.disabled = ''; 
add: element.disabled = true; 
context:   disable: function(element) {    element = $(element);    element.disabled = '';    return element;  },
meta: 1378	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1378/55c6c64da0fbbfba74a0b4ad68022bf640a0a049/prototype.js/clean/railties/html/javascripts/prototype.js