// pup up a window without buttons etc, with a given filename, season, width and height
// pictures are shown from the schooljaar directory.
function popbox(linkje,season,x,y) { 
  window.open("showpic.php?id="+linkje+"&season="+season,"preview","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0,WIDTH="+(x)+",HEIGHT="+(y)+"");
  }
	
//
// open pobox window to be used for group events.
//
function popbox_event(linkje,x,y) { 
  window.open("showpic_event.php?id="+linkje,"preview","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0,WIDTH="+(x)+",HEIGHT="+(y)+"");
  }