function odnosnik(inputId)	
{
  var linki = document.getElementById(inputId).value;

  var ind = linki.lastIndexOf("\n");
  if (ind==linki.length-1) linki = linki.slice(0,ind);
  linki = linki.slice(linki.lastIndexOf("\n")+1);  
  
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  linki = linki.replace("+","$");
  
  if (linki != "")
  document.getElementById("link").innerHTML = '<hr/><span class="def">http://www.math.edu.pl/kalkulator.php?id='+linki+'</span>';
}