rem: if (GetNumSelectedCards() == 1) { 
add: var numSelected = GetNumSelectedCards();  if (!numSelected) { gPropertiesButton.setAttribute("disabled","true"); gComposeButton.setAttribute("disabled","true"); return; }  gComposeButton.removeAttribute("disabled");  if (numSelected == 1) 
context: function UpdateCardView(){  if (GetNumSelectedCards() == 1) {    gPropertiesButton.removeAttribute("disabled");  }  else {    gPropertiesButton.setAttribute("disabled","true");  }}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/71701fe96bc85e1827b6ca6a493e530ab38ae0c5/ABSearchDialog.js/clean/mailnews/base/search/resources/content/ABSearchDialog.js