jQueryUi alert/confirm alternative

jQueryConfirm.js

/**
 * Creates a modal jQueryUi Dialog which displays a message.
 * More or less a jQuery Styled alert().
 *
 * @param message The message to display
 * @param [title] The title for the dialog box. Defaults to "Hinweis".
 * @param [yesCallback]
 * @param [noCallback]
 */
function jQueryConfirm(message, title, yesCallback, noCallback) {
  "use strict";
	var dialogTitle = 'Hinweis';
	if (typeof title !== 'undefined') {
		dialogTitle = title;
	}
	var dialog = $('<div id="jQueryAlert" title="' + dialogTitle + '"><p>' + message + '</p></div>');

	var buttons = {};

	if (typeof yesCallback !== 'function') {
		yesCallback = function () {
			$(this).dialog("close");
			$(this).remove();
		};
	}

	buttons.ok = { text: 'Ja', click: yesCallback };
	buttons.cancel = { text: 'Nein' };

	if (typeof noCallback !== 'function' && typeof noCallback !== 'boolean') {

		noCallback = function () {
			$(this).dialog("close");
			$(this).remove();
		};
	}

	if (typeof noCallback === 'function') {
		buttons.cancel.click = noCallback;
	}
	else {
		buttons.ok.text = 'OK';
		delete(buttons.cancel);
	}


	$('body').prepend(dialog);
	dialog.dialog({
		modal: true,
		resizable: false,
		minWidth: 640,
		buttons: buttons
	});
}