    if (!isDecimalNumber(canonicalTo)) {
            alert("You must specify a decimal value " + 
              "for the high end of the request number range.");
            return null;
        }
        if (isNegative(canonicalTo)) {
            alert("You must specify a positive value for the high " +
                   "end of the request number range.");
            return null;
        }
        crit[next++] = "(requestId<=" + canonicalTo + ")";
    }

    /* Can not do this using parseInt */
    /*
 