/*
* ExtInfoWindow Class, v1.0 
*  Copyright (c) 2007, Joe Monahan (http://www.seejoecode.com)
* 
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 
*       http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This class lets you add an info window to the map which mimics GInfoWindow
* and allows for users to skin it via CSS.  Additionally it has options to
* pull in HTML content from an ajax request, triggered when a user clicks on
* the associated marker.
*/


/**
 * Creates a new ExtInfoWindow that will initialize by reading styles from css
 *
 * @constructor
 * @param {GMarker} marker The marker associated with the info window
 * @param {String} windowId The DOM Id we will use to reference the info window
 * @param {String} html The HTML contents
 * @param {Object} opt_opts A contianer for optional arguments:
 *    {String} ajaxUrl The Url to hit on the server to request some contents 
 *    {Number} paddingX The padding size in pixels that the info window will leave on 
 *                    the left and right sides of the map when panning is involved.
 *    {Number} paddingY The padding size in pixels that the info window will leave on 
 *                    the top and bottom sides of the map when panning is involved.
 *    {Number} beakOffset The repositioning offset for when aligning the beak element. 
 *                    This is used to make sure the beak lines up correcting if the 
 *                    info window styling containers a border.
 *    {Number} maxPanning The maximum panning distance when the marker is not 
 *                    in screen. This is used to make sure the map will not pan to
 *                     much when opening a marker outside the viewport
 */