rem: fragments.each((function(fragment) { this.element.parentNode.insertBefore(fragment, this.element.nextSibling); }).bind(this)); 
add: $w('positionedOffset getOffsetParent viewportOffset').each(function(method) { Element.Methods[method] = Element.Methods[method].wrap( function(proceed, element) { element = $(element); var position = element.getStyle('position'); if (position != 'static') return proceed(element); element.setStyle({ position: 'relative' }); var value = proceed(element); element.setStyle({ position: position }); return value; } ); }); 
context:     fragments.each((function(fragment) {      this.element.parentNode.insertBefore(fragment,        this.element.nextSibling);    }).bind(this));
meta: 8434	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8434/6873fc8026e87544ee93e0d9551ae57083313cff/prototype.js/buggy/vendor/rails/actionpack/lib/action_view/helpers/javascripts/prototype.js