function GetClientIPAddr()
{
	$xForwardedFor = getenv("HTTP_X_FORWARDED_FOR");
	if (trim($xForwardedFor) != "")
	{
		if (strstr($xForwardedFor,","))
		{
			$ipArray = explode(",",$xForwardedFor);
			foreach($ipArray as $IP)
			{
				if(ereg ("[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}", $IP))
				{
					return $IP;
				}
			}
			return getenv("REMOTE_ADDR");
		}
		else
		{
			if(ereg ("[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}", $xForwardedFor))
			{
				return $xForwardedFor;
			}
			else
			{
				return getenv("REMOTE_ADDR");
			}
		}
	}
	else
	{
		return getenv("REMOTE_ADDR");
	}