//-----------------------------------------------------------------------------
function showHelp(topic) {
  var width = 640;
  var height = 480;	
  var top = screen.height/2 - height/2;
  var left = screen.width/2 - width/2;
  var Win = window.open('/pomoc/pomoc.php?topic=' + topic, '', 'top=' + top + ', left=' + left + ', width=' + 
  		width + ', height=' + height + ', resizable=1, scrollbars=1, menubar=0, status=0' );
}


//-----------------------------------------------------------------------------
function showWindow(url, width, height) {
  var top = screen.height/2 - height/2;
  var left = screen.width/2 - width/2;
  var Win = window.open(url, 'mojetesty.pl', 'top=' + top + ', left=' + left + ', width=' + 
  		width + ', height=' + height + ', resizable=1, scrollbars=0, menubar=0, status=0' );
}