win = new Array(0,1,2,2,3,3,4);

function show_bor(n) {
  if (document.getElementById)    {
       tmp = 4;
       while (tmp) {
         var elm=document.getElementById('tr'+tmp);
         if ( elm.style && elm.style.display )
                elm.style.display='none';
         tmp--;
       }

       tmp = win[n];
       while (tmp) {
         var elm=document.getElementById('tr'+tmp);
         if ( elm.style && elm.style.display )
                elm.style.display='block';
         tmp--;
       }
    }

}

function val_40() {
  var d = document;
  if (d.getElementById) {

    flag = flag2 = false;
    var list = d.getElementsByTagName("input");
    for (var i = 0; i < list.length; i++)  {

        if (    (-1 < list[i].name.indexOf('win'))
             &&
                list[i].checked
           )
         {
            flag = true;
            n = parseInt(list[i].id.substring(3));
            tmp = win[n];

            while (tmp && flag) {
               flag = flag && ( "" != d.getElementById('w'+tmp).value ) && ( "" != d.getElementById('h'+tmp).value );
               flag1 = false;
               for (var j=0; j < list.length; j++)
                  if (    (('b'+tmp) == list[j].name )
                       &&
                          list[j].checked
                     )
                   { flag1 = true;
                     break;
                   }
              flag = flag && flag1;
              tmp--;
           }


         }

         if ( 'class' == list[i].name && list[i].checked )
            flag2 = true;
     }

     flag = flag && flag2;
     return flag;


   } else return true;

}