function anyCheck(form) {
var total = 0;
var max = form.ckbox.length;
for (var idx = 0; idx < max; idx++) {
if (eval("document.playlist.ckbox[" + idx + "].checked") == true) {
    total += 1;
   }
}
alert("Out of the 21 reasons listed, you eat for " + total + " of them.");
}