rem: element = $(element); return element.offsetHeight; 
add: return $(element).getDimensions().height; 
context:   getHeight: function(element) {    element = $(element);    return element.offsetHeight;  },
meta: 1000	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1000/53dfa93e53bccf5af1729cbdce88cb70e1ffcca5/prototype.js/buggy/public/javascripts/prototype.js