if (childClass == "visible") { 
if (childClass == "visible" && showExpanders) { 
function goLeft(treeItem) {      var childClass = getChildClass(treeItem);     if (childClass == "visible") {        toggleExpandState(treeItem);     } else {         focusOnItem(getTreeItem(treeItem.parentNode), false);     }}
10107	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10107/c470c03bc8d0112a8280d30c04ad38ee2b6c71c6/helptree.js/buggy/org.eclipse.help.webapp/advanced/helptree.js