diff -r 000000000000 -r 6474c204b198 toolkit/obsolete/content/dialogOverlay.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/obsolete/content/dialogOverlay.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,102 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var doOKFunction = 0;
+var doCancelFunction = 0;
+var doButton2Function = 0;
+var doButton3Function = 0;
+
+// call this from dialog onload() to allow ok and cancel to call your code
+// functions should return true if they want the dialog to close
+function doSetOKCancel(okFunc, cancelFunc, button2Func, button3Func )
+{
+	//dump("top.window.navigator.platform: " + top.window.navigator.platform + "\n");
+	
+	doOKFunction = okFunc;
+	doCancelFunction = cancelFunc;
+	doButton2Function = button2Func;
+	doButton3Function = button3Func;
+}
+
+function doOKButton()
+{
+	var close = true;
+	
+	if ( doOKFunction )
+		close = doOKFunction();
+	
+	if (close && top)
+		top.window.close();
+}
+
+function doCancelButton()
+{
+	var close = true;
+	
+	if ( doCancelFunction )
+		close = doCancelFunction();
+	
+	if (close && top)
+		top.window.close();
+}
+
+function doButton2()
+{
+	var close = true;
+	
+	if ( doButton2Function )
+		close = doButton2Function();
+	
+	if (close && top)
+		top.window.close();
+}
+
+function doButton3()
+{
+	var close = true;
+	
+	if ( doButton3Function )
+		close = doButton3Function();
+	
+	if (close && top)
+		top.window.close();
+}
+
+function moveToAlertPosition()
+{
+    // hack. we need this so the window has something like its final size
+    if (window.outerWidth == 1) {
+        dump("Trying to position a sizeless window; caller should have called sizeToContent() or sizeTo(). See bug 75649.\n");
+        sizeToContent();
+    }
+
+	var xOffset = (opener.outerWidth - window.outerWidth) / 2;
+	var yOffset = opener.outerHeight / 5;
+	
+	var newX = opener.screenX + xOffset;
+	var newY = opener.screenY + yOffset;
+	
+	// ensure the window is fully onscreen (if smaller than the screen)
+	if (newX < screen.availLeft)
+		newX = screen.availLeft + 20;
+	if ((newX + window.outerWidth) > (screen.availLeft + screen.availWidth))
+		newX = (screen.availLeft + screen.availWidth) - window.outerWidth - 20;
+
+	if (newY < screen.availTop)
+		newY = screen.availTop + 20;
+	if ((newY + window.outerHeight) > (screen.availTop + screen.availHeight))
+		newY = (screen.availTop + screen.availHeight) - window.outerHeight - 60;
+
+	window.moveTo( newX, newY );
+}
+
+function centerWindowOnScreen()
+{
+	var xOffset = screen.availWidth/2 - window.outerWidth/2;
+	var yOffset = screen.availHeight/2 - window.outerHeight/2; //(opener.outerHeight *2)/10;
+	
+	xOffset = ( xOffset > 0 ) ? xOffset : 0;
+  yOffset = ( yOffset > 0 ) ? yOffset : 0;
+	window.moveTo( xOffset, yOffset);
+}