try
{
	var cook = screen.width + 'X' + screen.height
	var expire = new Date();
	expire.setFullYear(expire.getFullYear() + 5)
	document.cookie = 'res=' + cook + ' ; expires=' + expire.toGMTString() + ' ;path=/'
}
catch(e)
{
	document.cookie = 'res=error'
}