rem: boxToHide.style.visibility = "collapse"; 
add: boxToHide.setAttribute("hidden", "true"); 
context: function hideShowSmtpSettings(smtpServer) {  var noSmtpBox = document.getElementById("noSmtp");  var haveSmtpBox = document.getElementById("haveSmtp");  var boxToHide;  var boxToShow;    if (smtpServer && smtpServer.hostname &&      smtpServer.hostname != "") {    // we have a hostname, so show the static text    boxToShow = haveSmtpBox;    boxToHide = noSmtpBox;  } else {    // no default hostname yet    boxToShow = noSmtpBox;    boxToHide = haveSmtpBox;  }  if (boxToHide)    boxToHide.style.visibility = "collapse";  if (boxToShow)    boxToShow.style.visibility = "visible";}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/5150a128d832c6678f07dc0041deaf7614f4f8be/aw-server.js/buggy/mailnews/base/prefs/resources/content/aw-server.js