rem: var errorCallback = function() { alert("ajax error"); }; 
add: var errorCallback = function() {  }; 
context: function makeNodeRequest(parameters) {    var href = "../tocfragment" + parameters;    var callback = function(xml) { updateTree(xml);};     var errorCallback = function() { alert("ajax error"); };    ajaxRequest(href, callback, errorCallback);}
meta: 10107	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10107/0b7de9802b1a02a96a6db89add88972771344e89/tocTree.js/clean/org.eclipse.help.webapp/advanced/tocTree.js