<script type="text/javascript">
function HashTable() {
this._hashtable = {};
if (typeof (_hashtable_initialized) == "undefined") {
HashTable.prototype.Add = function(key, value) {
if (key in this._hashtable) {
return false;
}
this._hashtable[key] = value;
return true;
}
HashTable.prototype.Remove = function(key) {
return delete (this._hashtable[key]);
}
HashTable.prototype.Count = function() {
var i = 0;
for (var k in this._hashtable)
{ i++; }
return i;
}
HashTable.prototype.Items = function(key) {
return this._hashtable[key];
}
HashTable.prototype.Clear = function() {
for (var k in this._hashtable)
{ delete this._hashtable[k]; }
return true;
}
HashTable.prototype.Contains = function(key) {
return typeof (this._hashtable[key]) != "undefined";
}
_hashtable_initialized = true;
}
}
</script>
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