function SetCookie(name,val)
{
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var exp = (argc > 2)? argv[2] : null;
	var path = (argc > 3)? argv[3] : null;
	var domain = (argc > 4)? argv[4] : null;
	var secure = (argc > 5)? argv[5] : null;

	document.cookie = name + "=" + escape(val) + ((exp == null)? "" : ("; expires=" + exp.toGMTString())) + ((path == null)? "" : ("; path=" + path)) + ((domain == null)? "" : ("; domain=" + domain)) + ((secure == true)? "; secure" : "");
}

function try_shop_login(mail,pwd)
{
	SetCookie('SID',mail);
	SetCookie('SPWD',pwd);

	return	true;
}

function try_customer_login(mail,pwd)
{
	SetCookie('CID',mail);
	SetCookie('CPWD',pwd);

	return	true;
}

function clear_shop_login(mail,pwd)
{
	SetCookie('SID','');
	SetCookie('SPWD','');

	return	true;
}