function CryptMailto() {
        var n = 0;
        var r = "";
        var s = "mailto:"+document.forms[0].emailField.value;
        var e = document.forms[0].emailField.value;

        e = e.replace( /@/, " [at] ");
        e = e.replace( /\./g, " [dot] ");

        for( var i=0; i < s.length; i++ ) {
            n = s.charCodeAt( i );
            if( n >= 8364 ) {
                n = 128;
            }
            r += String.fromCharCode(n+1);
        }
        document.forms[0].cyptedEmailField.value = r;
        document.forms[0].HTMLCyptedEmailField.value = "<a href=\"javascript:linkTo_UnCryptMailto('"+ r +"');\">"+ e +"</a>";
}

function UnCryptMailto( s ) {
        var n = 0;
        var r = "";
        for( var i = 0; i < s.length; i++) {
            n = s.charCodeAt( i );
            if( n >= 8364 ) {
                n = 128;
            }
            r += String.fromCharCode( n - 1 );
        }
        return r;
}

function linkTo_UnCryptMailto( s ) {
        location.href=UnCryptMailto( s );
}