Modified HashMap

var HashMap = function HashMap( map ) {
this.data = [];
this.curKey = 0;
this._size = 0;

if (arguments.length == 1) {
// copy map to data
}

this.put = function put( key, value ) {
var rv;
if (typeof key == "object") {
if(!key._HashMap_key){
key._HashMap_key = "_HashMapKey_" + this.curKey++;
}
rv = this.data[key._HashMap_key];
this.data[key._HashMap_key] = value;
} else {
rv = this.data[typeof key + key];
this.data[typeof key + key] = value;
}
this._size = rv ? this._size : this._size + 1;
return rv;
}

this.get = function get( key ) {
if (typeof key == "object") {
return this.data[key._HashMap_key];
}
return this.data[typeof key + key];
}
}