<script type='text/javascript'>
  var ilek=$_SESSION[ile];
  var ileo=$_SESSION[ile2];
  var wsumie=((ilek+1)*(ileo+1));
  var i;
  var j;
  var pom;
  var h;
  var hh;
  var hhh;
  var hhhh;
  var roznica;
  var cal;
  var reszta;
  
  
  function roob()
  {
  pom=(1+(2*(ilek+1)))
  while(pom<wsumie-2)
  {
  
    for(j=1;j<ilek+1;j++)
     {
    
         if(j==1)
            {
            roznica=0;
            pom++;
            h=document.getElementById('pole'+''+pom).value;
            hh=h.split(':');
        
        var b= parseInt(hh[0]);
            var c=parseInt(hh[1]);
            hhh=0;
            hhh=(b*60+c);
          
            h=document.getElementById('pole'+''+(pom-(ilek+1))).value;
        hh=h.split(':');
            b=0;
            c=0;
            b=parseInt(hh[0]);
            c=parseInt(hh[1]);
            hhhh=0;
            hhhh=(b*60+c);
            roznica=hhh-hhhh;
            
            
          }
                  
                  
                  h=document.getElementById(('pole'+''+(pom-(ilek+1)))).value;
                  hh=h.split(':');
                  var e=parseInt(hh[0]);
                  var f=parseInt(hh[1]);
                  hhh=0;
                  hhh=(e*60+f);
                  hhh+=roznica;
                  cal=parseInt(hhh/60);
          reszta=0;
                  reszta=hhh-(cal*60);
                  if(reszta<10)
                  {var rreszta='0'+''+reszta;
                  var czyli=cal+':'+rreszta;
                  }else{
                  var czyli=cal+':'+reszta;
                  }
            document.getElementById('pole'+''+pom).value=czyli;
                  
  
  pom++;
  }
  
  
  }
  }
  
  </script></head>"</span><span class="pun">;</span><span class="pln">
  </span><span class="pun"></span>
  </pre>