//var a =
{
    xtype: 'container',
    closable: false,
    layout:'fit',
    onInitialize : function(owner,obj){
        var me = this;
        var record = obj.record;
        var tokenId = record.get(obj.key);
        var lang = ip2.session.getLanguage();
        var url = obj.embeded.replace("{0}",obj.http_host).
                              replace("{1}",tokenId).
                              replace("{2}",lang);

       var container = {
            xtype: 'ip2Iframe',
            src: url,
            layout : "fit",
        };
        owner.add(container);
    }
}