/*
 * Copyright 2005- by IONIC Software S.A.,
 * 18 Av Wallonie, 4460 Grace-Hollogne, Belgium.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information
 * of IONIC Software S.A.("Confidential Information").
 * You shall not disclose such Confidential Information and shall use
 * it only in accordance with the terms of the license agreement
 * you entered into with IONIC Software.
 */

var _$rf;

/**
 * @private
 */
function _doSearchForRootWindow () {

        var curWin = window;
        if ((curWin != curWin.parent) &&
            (! curWin.IONIC || 
             ! curWin.IONIC.api || 
             ! curWin.IONIC.api.maps || 
             ! curWin.IONIC.api.maps.Map)) {

//                 // Check for the presence of an arbitrary value that should only exist on the webapp root
//                 if (curWin.parent.IONIC && 
//                     curWin.IONIC.api && 
//                     curWin.IONIC.api.maps &&
//                     curWin.IONIC.api.maps.Map) {

//                         curWin = curWin.parent;

//                 } else {

//                         // Otherwise, search on parents
//                         curWin = curWin.parent.getWebappRoot ();
//                 }

                curWin = curWin.top;
        }

        while (curWin.opener &&
               (! curWin.IONIC || 
                ! curWin.IONIC.api ||
                ! curWin.IONIC.api.maps || 
                ! curWin.IONIC.api.maps.Map)) {

                curWin = curWin.opener.getWebappRoot();
        }
        
        return curWin;
}



/**
 * Finds the root window of the application.
 * @return The root window.
 */
function getWebappRoot () {

        if (! _$rf)
                _$rf = _doSearchForRootWindow ();

        return _$rf;
}


/**
 * @private
 */
function _root(){

        return getWebappRoot ();
}