function Post()
{
	var birthYear;
	var birthNumber;

	if(!(isNaN(parseInt(document.frmBirth.txtBirthYear.value))))
	{
		birthYear = document.frmBirth.txtBirthYear.value;
		
		if(birthYear.length != 4)
		{
			alert("Please enter a 4 digit year.");
			document.frmBirth.txtBirthYear.focus();
			return;
		}
		
		birthNumber = parseInt(birthYear);
		
		birthNumber+= 10;

		if(birthNumber < 1960)
		{
			window.location.href = "/estore/info.asp?T=CP&D=1591&eskin=beckett";
		}
		else if(birthNumber >= 1960 && birthNumber < 1970)
		{
			window.location.href = "/estore/info.asp?T=CP&D=1592&eskin=beckett";
		}
		else if(birthNumber >= 1970 && birthNumber < 1980)
		{
			window.location.href = "/estore/info.asp?T=CP&D=1593&eskin=beckett";
		}
		else if(birthNumber >= 1980 && birthNumber < 1990)
		{
			window.location.href = "/estore/info.asp?T=CP&D=1594&eskin=beckett";
		}
		else if(birthNumber >= 1990)
		{
			window.location.href = "/estore/info.asp?T=CP&D=1595&eskin=beckett";
		}
	}
	else
	{
		alert("Please enter a number.");
		document.frmBirth.txtBirthYear.focus();
	}

	return false;
}