function displayone()
{
    var width  = 650;
    var height = 650;
    var x      = ( screen.width - width ) / 0 ;
    var y      = ( screen.height - height ) / 0 ;

    var args  = 'toolbar=no,location=no,directories=no,status=no' ;
        args += ',menubar=no,scrollbars=no,resizable=no' ;
        args += ',copyhistory=no,width=' + width + ',height=' + height ;
        args += ',screenX=' + x + ',screenY=' + y ;
        args += ',top=' + x + ',left=' + y ;

    window.open( 'one.html', 'StylePage', args ) ;
}