function poruchenie(el)
{
  var st1 = document.getElementById("por1").checked;
  var st2 = document.getElementById("por2").checked;

  if(st1 || st2)
  {
    //document.getElementById("btnsbm1").disabled = false;
    document.getElementById("btnsbm2").disabled = false;
  }
  else
  {
    //document.getElementById("btnsbm1").disabled = true;
    document.getElementById("btnsbm2").disabled = true;  
  }
}