function openPopup(image,title) { 
	var vars = "image="+image+"&title="+title;
  var object = "includes/popup.php?"+vars; 
  window.open(object,"Popup","width=40,height=20,location=0,scrollbars=no,resizable=no,status=no,menubar=no,toolbar=no");   
}

function openFile(filename, width, height, title) {
  var winX = (screen.width-width)/2;
  var winY = (screen.height-height)/2;
  var param = "width="+width+",height="+height+",left="+winX+",top="+winY+",resizable=no";
  var winName = title.replace(/ /g,"");  // Leerzeichen entfernen
  winName = winName.replace(/-/g,"");   // Bindestriche entfernen
  var filewindow = window.open(filename, winName, param);
  filewindow.focus();
}