function ViewPic(picid, comment, copyr, piclink)
{
  var elem = document.getElementById('largepic');

  var newinner =''
  if (piclink != '')
    newinner += '<a href="http://' + piclink + '" target=_blank>';
  newinner += '<img src="/pictures/' + picid + '.jpg" onload="PicPos(this);">';
  if (piclink != '')
    newinner += '</a>';
  if (comment != '')
  {
    newinner += '<p>' + comment;
  }
  if (copyr != '')
  {
    newinner += '<p>&copy; ' + copyr;
  }
  newinner +='<p><img class=largepicfunc src="/images/logo_close.png" title="Schließen" onclick="HidePic();">';

  elem.innerHTML = newinner;

  elem.style.visibility = 'hidden';
  elem.style.display = 'block';

  elem = document.getElementById('largepicbg');
  elem.style.display='block';
}

function PicPos(imgElem)
{
  var toppos;

  if (window.pageYOffset != undefined)
    toppos = window.pageYOffset + window.innerHeight/2 - imgElem.clientHeight/2;
  else
    toppos = document.documentElement.scrollTop + document.documentElement.clientHeight/2 - imgElem.clientHeight/2;

  var left = document.body.clientWidth/2 - imgElem.clientWidth/2;
  if (left < 0)
    left=0;
  toppos -= 15;
  if (toppos < window.scrollY)
    toppos=window.scrollY;

  var elem = document.getElementById('largepic');

  elem.style.left = left +'px';
  elem.style.top = toppos +'px';
  elem.style.visibility = 'visible';
}

function HidePic()
{
  var elem = document.getElementById('largepic');
  elem.style.display = 'none';
  elem.innerHTML = '';

  elem = document.getElementById('largepicbg');
  elem.style.display='none';
}

function ShowEdit(picid)
{
  var elem = document.getElementById('edit-'+picid);

  if (elem.style.display != 'block')
    elem.style.display = 'block';
  else
    elem.style.display = 'none';
}