function goDown(treeItem) {    // If the node is expanded visit the first child           var childClass = getChildClass(treeItem);    if (childClass == "visible") {        focusOnItem(findChild(findChild(treeItem, "DIV"), "DIV"), false);        return;    }    // visit the next sibling at this level, if not found try highter levels    for (var level = treeItem; level !== null; level = getTreeItem(level.parentNode)) {        for (var next = level.nextSibling; next !== null; next = next.nextSibling) {            if (next.tagName == "DIV") {                focusOnItem(next, false);                return;            }        }    }   }
10107	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10107/a84572318622b407c613941e4c1b25809dfccf00/helptree.js/buggy/org.eclipse.help.webapp/advanced/helptree.js