add:  if (typeof window.treeClass != 'undefined') { return; } 
context: function convertTrees() {	setDefault("treeClass","mktree");	setDefault("nodeClosedClass","liClosed");	setDefault("nodeOpenClass","liOpen");	setDefault("nodeBulletClass","liBullet");	setDefault("nodeLinkClass","bullet");	setDefault("preProcessTrees",true);	if (preProcessTrees) {		if (!document.createElement) { return; } // Without createElement, we can't do anything		uls = document.getElementsByTagName("ul");		for (var uli=0;uli<uls.length;uli++) {			var ul=uls[uli];			if (ul.nodeName=="UL" && ul.className==treeClass) {				processList(ul);			}		}	}}
meta: 6015	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6015/c2a4735da235f73b7b801dea4d8a692d889d901a/mktree.js/buggy/packages/acs-templating/www/resources/mktree.js