function Screen(sUrl)
{
  alert('opening: ' + sUrl)
}

function Height()
{
  var iHeight = 0;
  
  //Non-IE
  if(typeof(window.innerHeight) == 'number') { iHeight = window.innerHeight; }
  //IE 6+ in 'standards compliant mode'
  else if(document.documentElement && (document.documentElement.clientHeight)) { iHeight = document.documentElement.clientHeight; }
  //IE 4 compatible
  else if(document.body && (document.body.clientHeight)) { iHeight = document.body.clientHeight; }
  
  return iHeight;
}