rem: return element.offsetHeight; 
add: return element.offsetHeight; 
context:   getHeight: function(element) {    element = $(element);    return element.offsetHeight;   },
meta: 3991	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3991/d29159eae8749c508d01bb447868321a3ba6bbfa/prototype.js/buggy/manager/media/script/scriptaculous/prototype.js