rem: element.removeAttribute("hidden"); 
add: element.removeAttribute("collapsed"); 
context: function unHideElementByID (aElementID){  var element = document.getElementById(aElementID);  element.removeAttribute("hidden");}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f3ecb515bf801b897633baaaad99da156b226598/commonDialog.js/buggy/xpfe/global/resources/content/commonDialog.js