function chinoken_mailto()
{
var madrs1 = "www.k2r";
var madrs2 = "mac.com";
var madrs = madrs1 + unescape("%40") + madrs2;
location.href = "mai" + "lto:" + madrs;
}

function ipor_mailto()
{
madrs1 = "ipor";
madrs2 = "ipor.jp";
madrs = madrs1 + unescape("%40") + madrs2;
location.href = "mai" + "lto:" + madrs;
}