rem: return element.offsetHeight; 
add: return element.offsetHeight; 
context:   getHeight: function(element) {    element = $(element);    return element.offsetHeight;   },
meta: 3974	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3974/af9adbf17404d887f31369756326b0109da7ae2b/prototype.js/buggy/root/static/js/prototype.js