diff --git a/ChangeLog b/ChangeLog
index 5cf2b767f..885747a24 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2010-08-19  Francis Lachapelle  <flachapelle@inverse.ca>
 
+	* UI/WebServerResources/generic.js (showConfirmDialog): new
+	function to replace window.confirm().
+
 	* UI/WebServerResources/MailerUI.js (onMenuEmptyTrash): delete the
 	cache of the trash mailbox when called.
 
diff --git a/UI/WebServerResources/ContactsUI.js b/UI/WebServerResources/ContactsUI.js
index b07b61168..01b75f7a3 100644
--- a/UI/WebServerResources/ContactsUI.js
+++ b/UI/WebServerResources/ContactsUI.js
@@ -9,8 +9,7 @@ var usersRightsWindowWidth = 450;
 var Contact = {
     currentAddressBook: null,
     currentContact: null,
-    deleteContactsRequestCount: null,
-    dialogs: {}
+    deleteContactsRequestCount: null
 };
 
 function validateEditorInput(sender) {
@@ -433,29 +432,10 @@ function onToolbarDeleteSelectedContacts(event) {
     var contactsList = $('contactsList');
     var rows = contactsList.getSelectedRowsId();
 
-    if (rows.length) {
-        var dialogId = "deleteContactsDialog";
-        var dialog = Contact.dialogs[dialogId];
-        if (dialog) {
-            dialog.show();
-            $("bgDialogDiv").show();
-        }
-        else {
-            var label = _("Are you sure you want to delete the selected contacts?");
-            var fields = createElement("p");
-            fields.appendChild(createButton("confirmBtn", _("Yes"), onToolbarDeleteSelectedContactsConfirm.bind(fields, dialogId)));
-            fields.appendChild(createButton("cancelBtn", _("No"), disposeDialog));
-            var dialog = createDialog(dialogId,
-                                      _("Confirmation"),
-                                      label,
-                                      fields,
-                                      "none");
-            document.body.appendChild(dialog);
-            dialog.show();
-            Contact.dialogs[dialogId] = dialog;
-        }
-        return false;
-    }
+    if (rows.length)
+        showConfirmDialog(_("Confirmation"),
+                          _("Are you sure you want to delete the selected contacts?"),
+                          onToolbarDeleteSelectedContactsConfirm);
     else
         showAlertDialog(_("Please select a contact."));
 
@@ -807,45 +787,21 @@ function onAddressBookRemove(event) {
 }
 
 function deletePersonalAddressBook(folderId) {
-    if (folderId == "personal") {
+    if (folderId == "personal")
         showAlertDialog(_("You cannot remove nor unsubscribe from your personal addressbook."));
-    }
-    else {
-        var dialogId = "deleteAddressBookDialog";
-        var dialog = Contact.dialogs[dialogId];
-        if (dialog) {
-            $("bgDialogDiv").show();
-        }
-        else {
-            var label = _("Are you sure you want to delete the selected address book?");
-            var fields = createElement("p");
-            fields.appendChild(createButton(dialogId + "confirmBtn",
-                                            "Yes",
-                                            deletePersonalAddressBookConfirm.bind(fields)));
-            fields.appendChild(createButton(dialogId + "cancelBtn",
-                                            "No",
-                                            disposeDialog));
-            dialog = createDialog(dialogId,
-                                  _("Confirmation"),
-                                  label,
-                                  fields,
-                                  "none");
-            document.body.appendChild(dialog);
-            Contact.dialogs[dialogId] = dialog;
-        }
-        dialog.folderId = folderId;
-        dialog.show();
-    }
+    else
+        showConfirmDialog(_("Confirmation"),
+                          _("Are you sure you want to delete the selected address book?"),
+                          deletePersonalAddressBookConfirm.bind(this, folderId));
+
     return false;
 }
 
-function deletePersonalAddressBookConfirm(event) {
+function deletePersonalAddressBookConfirm(folderId) {
     if (document.deletePersonalABAjaxRequest) {
         document.deletePersonalABAjaxRequest.aborted = true;
         document.deletePersonalABAjaxRequest.abort();
     }
-    var dialog = $(this).up("DIV.dialog");
-    var folderId = dialog.folderId;
     var url = ApplicationBaseURL + folderId + "/delete";
     document.deletePersonalABAjaxRequest
         = triggerAjaxRequest(url, deletePersonalAddressBookCallback,
diff --git a/UI/WebServerResources/MailerUI.js b/UI/WebServerResources/MailerUI.js
index ed8177e58..2171b3312 100644
--- a/UI/WebServerResources/MailerUI.js
+++ b/UI/WebServerResources/MailerUI.js
@@ -2044,13 +2044,17 @@ function onMenuRenameFolderConfirm() {
 }
 
 function onMenuDeleteFolder(event) {
-    var answer = window.confirm(_("Do you really want to move this folder into the trash ?"));
-    if (answer) {
-        var folderID = document.menuTarget.getAttribute("dataname");
-        var urlstr = URLForFolderID(folderID) + "/delete";
-        var errorLabel = _("The folder could not be deleted.");
-        triggerAjaxRequest(urlstr, folderOperationCallback, errorLabel);
-    }
+    showConfirmDialog(_("Confirmation"),
+                     _("Do you really want to move this folder into the trash ?"),
+                     onMenuDeleteFolderConfirm);
+}
+
+function onMenuDeleteFolderConfirm() {
+    var folderID = document.menuTarget.getAttribute("dataname");
+    var urlstr = URLForFolderID(folderID) + "/delete";
+    var errorLabel = _("The folder could not be deleted.");
+    triggerAjaxRequest(urlstr, folderOperationCallback, errorLabel);
+    disposeDialog();
 }
 
 function onMenuExpungeFolder(event) {
diff --git a/UI/WebServerResources/SchedulerUI.js b/UI/WebServerResources/SchedulerUI.js
index 114f86193..4f4d20898 100644
--- a/UI/WebServerResources/SchedulerUI.js
+++ b/UI/WebServerResources/SchedulerUI.js
@@ -2592,14 +2592,17 @@ function onCalendarRemove(event) {
 }
 
 function deletePersonalCalendar(folderElement) {
-    var folderId = folderElement.substr(1);
-    var label
-        = labels["Are you sure you want to delete the calendar \"%{0}\"?"].formatted($(folderElement).lastChild.nodeValue.strip());
-    if (window.confirm(label)) {
-        removeFolderRequestCount++;
-        var url = ApplicationBaseURL + "/" + folderId + "/delete";
-        triggerAjaxRequest(url, deletePersonalCalendarCallback, folderId);
-    }
+    showConfirmDialog(_("Confirmation"),
+                      _("Are you sure you want to delete the calendar \"%{0}\"?").formatted($(folderElement).lastChild.nodeValue.strip()),
+                      deletePersonalCalendarConfirm.bind(folderElement));
+}
+
+function deletePersonalCalendarConfirm() {
+    var folderId = this.substr(1);
+    removeFolderRequestCount++;
+    var url = ApplicationBaseURL + "/" + folderId + "/delete";
+    triggerAjaxRequest(url, deletePersonalCalendarCallback, folderId);
+    disposeDialog();
 }
 
 function deletePersonalCalendarCallback(http) {
diff --git a/UI/WebServerResources/generic.js b/UI/WebServerResources/generic.js
index 01cb4abf0..210d82a06 100644
--- a/UI/WebServerResources/generic.js
+++ b/UI/WebServerResources/generic.js
@@ -1801,6 +1801,26 @@ function _showAlertDialog(label) {
     dialog.show();
 }
 
+function showConfirmDialog(title, label, callback) {
+    var dialog = dialogs[label];
+    if (dialog) {
+        $("bgDialogDiv").show();
+    }
+    else {
+        var fields = createElement("p");
+        fields.appendChild(createButton(null, _("Yes"), callback));
+        fields.appendChild(createButton(null, _("No"), disposeDialog));
+        dialog = createDialog(null,
+                              title,
+                              label,
+                              fields,
+                              "none");
+        document.body.appendChild(dialog);
+        dialogs[label] = dialog;
+    }
+    dialog.show();
+}
+
 function showPromptDialog(title, label, callback, defaultValue) {
     var dialog = dialogs[label];
     v = defaultValue?defaultValue:"";