var message = "ananas";
var hash = new Array();
for (var i = 0; i < message.length; i++) {
var char = message.charAt(i);
if (typeof(hash[char]) == 'undefined')
hash[char] = 1;
else
hash[char]++;
}
for (var key in hash) {
WSH.Echo(key + " : " + hash[key]);
}