//function set_value( num, value ) {
//  document.diag.elements[ num - 1 ].value = value;
//  code = '';
//  for ( i = 1; i <= ( num <= 25 ? 5 : 3 ); i++ ) {
//    code += 'document.btn_' + num + '_' + i + ".src = 'imgs/b_check" + ( value == i ? 'ed' : '' ) + ".gif'; ";
//  }
//  eval( code );
//}

//checked  = new Image();
//checked.src = "imgs/b_checked.gif";


function set_value( num, value ) {
  code = '';
  for ( i = 1; i <= 8; i++ ) {
    code += 'document.preright_' + i + ".src = 'image/" + ( value == i ? 'im_preright_f2' : 'im_preright' ) + ".jpg'; ";
  }
  eval( code );
}