Revert "Dialog: Moved the default value for the position.of option inside the _position() method to avoid a bug in jQuery 1.3.2. Fixes #6030 - ui.dialog with jQuery 1.3.2 causes RangeError."

This reverts commit 22671ad.

Author: scottgonzalez

tests/unit/dialog/dialog_defaults.js

@@ -20,6 +20,7 @@ var dialog_defaults = {
 	position: {
 		my: 'center',
 		at: 'center',
+		of: window,
 		collision: 'fit',
 		using: $.ui.dialog.prototype.options.position.using
 	},

ui/jquery.ui.dialog.js

@@ -57,6 +57,7 @@ $.widget("ui.dialog", {
 		position: {
 			my: 'center',
 			at: 'center',
+			of: window,
 			collision: 'fit',
 			// ensure that the titlebar is never outside the document
 			using: function(pos) {
@@ -527,7 +528,7 @@ $.widget("ui.dialog", {
 		this.uiDialog
 			// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
 			.css({ top: 0, left: 0 })
-			.position($.extend({ of: window }, position));
+			.position(position);
 		if (!isVisible) {
 			this.uiDialog.hide();
 		}