function ShowHelp1()
 {
  var NWindow=open("tel.php","HelpWindow","width=200,height=200,noresize,scrollbars=auto");
  if (NWindow.focus!=null)
   NWindow.focus();
 }

function ShowHelp2()
 {
  var NWindow=open("fax.php","HelpWindow","width=200,height=200,noresize,scrollbars=auto");
  if (NWindow.focus!=null)
   NWindow.focus();
 }

function ShowHelp3()
 {
  var NWindow=open("allgemeines.php","HelpWindow","width=500,height=220,noresize,scrollbars=auto");
  if (NWindow.focus!=null)
   NWindow.focus();
 }