rem: if (!element._overflow) return; 
add: if (!element._overflow) return element; 
context:   undoClipping: function(element) {    element = $(element);    if (!element._overflow) return;    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;    element._overflow = null;    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