rem: if (element.document != undefined && element.document == null) { 
add:  if (!element.parentNode) { 
context:     highlight : function(element) {        var highLightColor = "yellow";        if (element.originalColor == undefined) { // avoid picking up highlight            element.originalColor = Element.getStyle(element, "background-color");        }        Element.setStyle(element, {"background-color" : highLightColor});        window.setTimeout(function() {            if (element.document != undefined && element.document == null) {                return;            }            Element.setStyle(element, {"background-color" : element.originalColor});        }, 200);    }
meta: 3428	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3428/d2d9e51dc6d66a449cd040d6128a3a72712e239c/htmlutils.js/clean/code/javascript/core/scripts/htmlutils.js