//  ProtoTypes:
//
// function isIEbrowser ()
// function isNSbrowser ()
// function getWinX ()
// function getWinY ()
// function getScreenX ()
// function getScreenY ()
//----------------------------------------------------------------------------------

function IsIEbrowser ()
{
  return (document.all);
}

//----------------------------------------------------------------------------------

function IsNSbrowser ()
{
  return (document.layers);
}

//----------------------------------------------------------------------------------

function GetWinX ()
{
  if ( IsIEbrowser() ) return document.body.clientWidth;
  else                 return window.innerWidth;
}

//----------------------------------------------------------------------------------

function GetWinY ()
{
  if (IsIEbrowser () ) return document.body.clientHeight;
  else                 return window.innerHeight;
}

//----------------------------------------------------------------------------------

function GetScreenX ()
{
  return screen.width;
}

//----------------------------------------------------------------------------------

function GetScreenY ()
{
  return screen.height;
}

// alert ('utilsSystem');