var $viewtour=
{
  iframe : function (from,to,width,height,title)
  {
    var iframe="<iframe scrolling=no width="+width+" height="+height+" src=\"http://togosoft.com/web/viewtour/gettour.php?from="+encodeURIComponent(from)+"&to="+encodeURIComponent(to)+"&width="+width+"&height="+height+"&title="+encodeURIComponent(title)+"\"></iframe>";
    return iframe;
  },
  
  parse : function()
  {
    var objs=document.getElementsByTagName("*");
    for (i=0;i<objs.length;i++)
    {
      if (objs[i].className == "$viewtour")
      {
        var from=objs[i].getAttribute("from");
        if (from == null || from == "")
        {
          from="";
        }
        var to=objs[i].getAttribute("to");
        if (to == null || to == "")
        {
          to="";
        }
        var width=objs[i].getAttribute("width");
        if (width == null || width == "")
        {
          width=320;
        }
        var height=objs[i].getAttribute("height");
        if (height == null || height == "")
        {
          height=240;
        }
        var title=objs[i].innerHTML;
        if (title == null || title == "")
        {
          title="";
        }
        objs[i].innerHTML=this.iframe(from,to,width,height,title);      
      }
    }    
  } 
}