elem.find("span.direxpand").click(toggleDir); 
elem.find("span.direxpand").css("cursor", "pointer").click(toggleDir); 
function enableExpandDir(elem) {  elem.find("span.direxpand").click(toggleDir);}
1293	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1293/cb74dbe08bc313cfa7b483ede67950b6d9f130f5/expand_dir.js/buggy/trac/htdocs/js/expand_dir.js