function doClear(obj)
{
	obj.value='';
}

function Dictionary(){
  this.count = 0;
  this.Obj = new Object();
  this.exists = Dictionary_exists;
  this.add = Dictionary_add;
  this.remove = Dictionary_remove;
  this.removeAll = Dictionary_removeAll;
  this.values = Dictionary_values;
  this.keys = Dictionary_keys;
  this.items = Dictionary_items;
  this.getVal = Dictionary_getVal;
  this.setVal = Dictionary_setVal;
  this.setKey = Dictionary_setKey;
}
function Dictionary_exists(sKey){
  return (this.Obj[sKey])?true:false;
}
function Dictionary_add(sKey,aVal){
  var K = String(sKey);
  if(this.exists(K)) return false;
  this.Obj[K] = aVal;
  this.count++;
  return true;
}
function Dictionary_remove(sKey){
  var K = String(sKey);
  if(!this.exists(K)) return false;
  delete this.Obj[K];
  this.count--;
  return true;
}
function Dictionary_removeAll(){
  for(var key in this.Obj) delete this.Obj[key];
  this.count = 0;
}
function Dictionary_values(){
  var Arr = new Array();
  for(var key in this.Obj) Arr[Arr.length] = this.Obj[key];
  return Arr;
}
function Dictionary_keys(){
  var Arr = new Array();
  for(var key in this.Obj) Arr[Arr.length] = key;
  return Arr;
}
function Dictionary_items(){
  var Arr = new Array();
  for(var key in this.Obj){
    var A = new Array(key,this.Obj[key]);
    Arr[Arr.length] = A;
  }
  return Arr;
}
function Dictionary_getVal(sKey){
  var K = String(sKey);
  return this.Obj[K];
}
function Dictionary_setVal(sKey,aVal){
  var K = String(sKey);
  if(this.exists(K))
    this.Obj[K] = aVal;
  else
    this.add(K,aVal);
}
function Dictionary_setKey(sKey,sNewKey){
  var K = String(sKey);
  var Nk = String(sNewKey);
  if(this.exists(K)){
    if(!this.exists(Nk)){
      this.add(Nk,this.getVal(K));
      this.remove(K);
    }
  }
  else if(!this.exists(Nk)) this.add(Nk,null);
}