add: if(loaded){ return; } 
context: 		_addOnEvt("load", function(){			loaded = true;			groupTemplate = byId("groupTemplate");			if(!groupTemplate){ 				// make sure we've got an ammenable DOM structure				return;			}			groupTemplate.parentNode.removeChild(groupTemplate);			groupTemplate.style.display = "";			testTemplate = byId("testTemplate");			testTemplate.parentNode.removeChild(testTemplate);			testTemplate.style.display = "";			tests._updateTestList();		});
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/1226419a1014c9cb0529bf49ff7b04bd816055be/_browserRunner.js/clean/tests/_browserRunner.js