if (!isWhitespaceText(child) && childIndex++ == index) 
if (!this.isWhitespaceText(child) && childIndex++ == index) 
    getChildObject: function(node, index, previousSibling)    {        if (isSourceElement(node))        {            if (index == 0)                return this.getElementSourceText(node);        }        else if (previousSibling)        {            return findNextSibling(previousSibling);        }        else        {            if (index == 0 && node.contentDocument)                return node.contentDocument.documentElement;            else if (Firebug.showWhitespaceNodes)                return node.childNodes[index];            else            {                var childIndex = 0;                for (var child = node.firstChild; child; child = child.nextSibling)                {                    if (!isWhitespaceText(child) && childIndex++ == index)                        return child;                }            }        }        return null;    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/6be3c6e9d225c8ad86a241df71727d654ddb2469/html.js/clean/extension/content/firebug/html.js