rem: var playSound = document.getElementById("newMailNotification").checked; var playSoundType = document.getElementById("newMailNotificationType"); playSoundType.disabled = !playSound; 
add: var playSound = document.getElementById("finishedNotificationSound").checked; 
context: function PlaySoundCheck(){  var playSound = document.getElementById("newMailNotification").checked;  var playSoundType = document.getElementById("newMailNotificationType");  playSoundType.disabled = !playSound;  var disableCustomUI = !(playSound && playSoundType.value == 1);  var mailnewsSoundFileUrl = document.getElementById("mailnewsSoundFileUrl");  mailnewsSoundFileUrl.disabled = disableCustomUI  document.getElementById("preview").disabled = disableCustomUI || (mailnewsSoundFileUrl.value == "");  document.getElementById("browse").disabled = disableCustomUI;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/76f1d77afdbe91cdd0101554c436ae19749ab6ef/pref-download.js/clean/xpfe/components/prefwindow/resources/content/pref-download.js