function op(adr) {
  var win = open(adr, "popup", "width=360, height=280, top=100, left=100, toolbar=no, location=no, menubar=no, scrollbars=no, resizable=no");
  win.focus();
  return false;
}


function op2(adr) {
  var win = open(adr, "popup2", "width=430, height=620, top=20, left=100, toolbar=no, location=no, menubar=no, scrollbars=yes, resizable=yes");
  win.focus();
  return false;
}

function op_play(playlist) {
  var win = open('prehravac.php?playlist=' + playlist, "playlist", "width=300, height=314, top=20, left=100, toolbar=no, location=no, menubar=no, scrollbars=no, resizable=no");
  win.focus();
  return false;
}

function op_play2(kapela,playlist) {
  var win = open('prehravac2.php?kapela='+kapela+'&playlist=' + playlist, "playlist", "width=300, height=314, top=20, left=100, toolbar=no, location=no, menubar=no, scrollbars=no, resizable=no");
  win.focus();
  return false;
}