function ShowInfo(url)
{
  var gb=window.open(url,"sic_InfoWin","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=640,height=400,screenX=20,screenY=20");
}

function ShowLyrics(url)
{
  var gb=window.open(url,"sic_LyricsWin","toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=640,height=400,screenX=20,screenY=20");
}

function SicDownload(url)
{
  var gb=window.open(url,"sic_DownloadWin","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=800,height=640,screenX=200,screenY=200");
}

function AktivesBild(Bildnr,Bildobjekt)
{
  Bildwechsel(Bildnr,Bildobjekt);
  return true;
}

function Bildwechsel(Bildnr,Bildobjekt)
{
  window.document.images[Bildnr].src = Bildobjekt.src;
}

function ShowPhoto(photoid)
{
  page = "showphoto.php?photo="+photoid;
  gb=window.open(page,"sic_photowin","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=yes,copyhistory=no,width=600,height=400,screenX=10,screenY=10");
  gb.focus;
}

function PopupSongInfo(SongID)
{
  var si=window.open('songinfo.php?id='+SongID+'&refscript=1',"sic_SongInfo","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=350,height=300,screenX=120,screenY=120");
  si.focus();
}

function PopupPlayer(ID)
{
  var si=window.open('player.php?id='+ID,"sic_Player","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=500,height=230,screenX=120,screenY=120");
  si.focus();
}

function isEmail(f) {
if (document.forms[f].email.value == '') {
alert("No email adress given!");
document.forms[f].email.focus();
return false;
}

if (document.forms[f].email.value.indexOf ('@',0) == -1 ||
document.forms[f].email.value.indexOf ('.',0) == -1) {
alert("Invalid email adress!");
document.forms[f].email.select();
document.forms[f].email.focus();
return false;
}

return true;
}

function submitNLForm(f) {
if (isEmail(f)) {
return true;
}
else
{
return false
}
}