private function toggleHotel():void
{
    for(i in typeDict)
    {
        var marker = typeDict[i];

        if(marker.type=="Hotel")
        {
            marker.visible = !marker.visible;
        }
    }
}
//----------------------------
private function toggleHotel():void
{
    for(marker in typeDict)
    {
        if(marker.type=="Hotel")
        {
            marker.visible = !marker.visible;
        }
    }
}