function XMLWriter()
{
  this.XML = [];
  this.Nodes=[];
  this.State="";

  this.FormatXML = function(Str)
  {
    if (Str)
    {
      return Str.replace(/&/g, "&amp;").replace(/\"/g, "&quot;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
    }
    else
    {
      return ""
    }
  }
  
  this.BeginNode = function(Name)
  {
    if (!Name) 
    {
      return;
    }
  
    if (this.State == "beg") 
    {
      this.XML.push(">");
    }
  
    this.State = "beg";
    this.Nodes.push(Name);

    this.XML.push("<" + Name);
  }
  
  this.EndNode = function()
  {
    if (this.State=="beg")
    {
      this.XML.push("/>");
      this.Nodes.pop();
    }
    else if (this.Nodes.length>0)
    {
      this.XML.push("</"+this.Nodes.pop()+">");
    }

    this.State="";    
  }
  
  this.Attrib = function(Name, Value)
  {
    if (this.State!="beg" || !Name) 
    {
      return;
    }
    
    this.XML.push(" "+Name+"=\""+this.FormatXML(Value)+"\"");
  }
  
  this.WriteString = function(Value)
  {
    if (this.State == "beg") 
    {
      this.XML.push(">");
    }
    
    this.XML.push(this.FormatXML(Value));
    this.State="";
    
  }

  this.Node = function(Name, Value)
  {
    if (!Name) 
    {
      return;
    }
  
    if (this.State=="beg") 
    {
      this.XML.push(">");
    }
    
    this.XML.push((Value=="" || !Value)?"<"+Name+"/>":"<"+Name+">"+this.FormatXML(Value)+"</"+Name+">");
    this.State="";
  }

  this.Close = function()
  {
    while (this.Nodes.length>0)
    {
      this.EndNode();
    }
    this.State="closed";
  }
  
  this.ToString = function()
  {
    return this.XML.join("");
  }
  
  XMLWriter.prototype['valueOf'] = this.ToString;
}