function openWithSelfMain(url,name,width,height){
        var options = "width=" + width + ",height=" + height + "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no";
        new_window = window.open(url, name, options);
        window.self.name = "main";
        new_window.focus();
}