/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: kojak :: http://commoncoder.com */

// fieldname, warningname, remainingname, maxchars
function CheckFieldLength(fn, wn, rn, mc) {
    var len = fn.value.length;
    if (len > mc) {
        fn.value = fn.value.substring(0, mc);
        len = mc;
    }
    document.getElementById(wn).innerHTML = len;
    document.getElementById(rn).innerHTML = mc - len;
}