function pcounter_screen()
{
	if(document.cookie.indexOf('pc=') != -1) return true;
	if(document.cookie.indexOf('pcw=') != -1)
	{
		document.cookie = 'pc=' + '1';
		return true;
	}

	if(self.screen)
	{
		document.cookie = 'pcw=' + self.screen.width;
		document.cookie = 'pch=' + self.screen.height;
		document.cookie = 'pcc=' + self.screen.colorDepth;
		return true;
	}
}

pcounter_screen()