add: if(!byId("testList")){ return; } 
context: 		var addGroupToList = function(group){			var tb = byId("testList").tBodies[0];			var tg = groupTemplate.cloneNode(true);			var tds = tg.getElementsByTagName("td");			var cb = tds[0].getElementsByTagName("input")[0];			cb.group = group;			cb.onclick = function(evt){				tests._groups[group].skip = (!this.checked);			}			tds[1].innerHTML = group;			tds[2].innerHTML = "";			tb.appendChild(tg);			return tg;		}
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/73630e99b2eb6c5fa7606fe370c31cc7b2ce9c98/_browserRunner.js/clean/tests/_browserRunner.js