rem: if (showPicker) { picker.hidden = false; picker.removeAttribute("disabled"); } else { picker.hidden = true; } 
add: picker.disabled = !enablePicker;  
context: function updateInboxAccount(showPicker, showDeferGetNewMail, event){    var picker = document.getElementById('deferedServerFolderPicker');    if (showPicker)    {      picker.hidden = false;      picker.removeAttribute("disabled");    }    else    {      picker.hidden = true;    }    var deferCheckbox = document.getElementById('deferGetNewMail');    deferCheckbox.hidden = !showDeferGetNewMail;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/ebb25ad0df2cbaa4a2f21923e1dff017dfa3aaaa/am-server-advanced.js/buggy/mailnews/base/prefs/resources/content/am-server-advanced.js