function WindowOpenBlank(Url)
{
  hWnd = window.open (Url, '_blank');
  hWnd.focus();
}
function WindowOpenSelf(Url)
{
  hWnd = window.open (Url, '_self');
  hWnd.focus();
}
function WindowOpenTop(Url)
{
  hWnd = window.open (Url, '_top');
  hWnd.focus();
}
function WindowOpenTarget(Url, TargetName)
{
  hWnd = window.open (Url, TargetName);
  hWnd.focus();
}
function WindowOpenStandardPopUp(Url)
{
  Params = "width=800,height=570,toolbar=no,directories=no,status=no,scrollbars=yes,resizable=yes,menubar=no";
  hWnd = window.open (Url, '_blank', Params);
  hWnd.focus();
}
function WindowOpenSizedPopUp(Width, Height, Url)
{
  Params = "width="+Width+",height="+Height+",toolbar=no,directories=no,status=no,scrollbars=auto,resizable=no,menubar=no";
  hWnd = window.open (Url, '_blank', Params);
  hWnd.focus();
}
function WindowCloseSelf()
{
  self.close();
}