<!------------------------------------------------------------------------
//
//  Copyright 2000 Microsoft Corporation.  All Rights Reserved.
//
//  File:         SmartNavie5.js
//
//  Description:  this file implements a basic delta model for aspplus (IE5.0 version)
//
//----------------------------------------------------------------------->

window.__dbg = false;
if (window.__init == null &&  window.parent.__init == null)
{
    window.__onDeltaLoad = function()
    {
        var frm = window.frames["__hifSmartNav"];
        if (    window.__docLast == frm.document
            ||  frm.location.href=="about:blank"
            ||  frm.document.readyState != "complete")
        {
            setTimeout(window.__onDeltaLoad, 100);
            return;
        }
        window.__applyDelta();
    }

    window.__applyDelta = function()
    {
        var fd = frames["__hifSmartNav"].document;
        if (document.location.href!=fd.location.href)
        {
            document.location.href=fd.location.href;
            return;
        }

        var colSelect = document.body.getElementsByTagName("SELECT");
        for (var i = 0; i < colSelect.length; i ++)
        {
            colSelect[i].removeNode(true);
        }

        document.body.innerHTML = fd.body.innerHTML;
        var fdasptrace = fd.all['__asptrace'];
        if (typeof __asptrace == 'object' && fdasptrace != null)
        {
            try
            {
                __asptrace.innerText = fdasptrace.innerText;
            }
            catch (e) {};
        }
        window.setTimeout(window.__restoreFocus, 0);

        window.__attachForm();
        window.__hif  = document.all("__hifSmartNav");
        if (window.__dbg == true)
            document.body.appendChild(window.__hif);
    };

    window.__restoreFocus = function()
    {
        var __ae = document.all(window.__ae);
        try
        {
            if (__ae != null)
                __ae.focus();
        }
        catch(e){};
    }

    window.__loadHistory = function()
    {
        if (window.parent == window || window.parent.__init == null)
        {
            window.__initDelta();
            frames("__hifSmartNav").location.replace(document.location.href);
        }
    };

    window.__initDelta =  function()
    {
        window.__ae = document.activeElement.id;
        if (window.__ae.length == 0)
            window.__ae = document.activeElement.name;
        if (window.__hif != null)
        {
            if (window.__hif.parentElement != document.body)
                document.body.appendChild(window.__hif);
        }
        else
        {
            window.__hif  = document.all("__hifSmartNav");
        }
        if (window.__dbg == true)
        {
            window.__hif.style.display = "";
            window.__hif.style.position = "absolute";
            window.__hif.style.top = "0";
            window.__hif.style.left = "0";
            window.__hif.style.height = "120";
            window.__hif.style.width = "100%";
        }

        window.__docLast = window.frames["__hifSmartNav"].document;
        window.setTimeout(window.__onDeltaLoad, 100);
    };

    window.__submit = function()
    {
        window.__initDelta();
        window.__form._submit();
    };

    window.__attachForm = function()
    {
        var cf = document.forms;
        for (var i=0; i<cf.length; i++)
        {
            if (cf[i].__smartNavEnabled != null)
            {
                window.__form = cf[i];
                break;
            }
        }

        if (window.__form == null)
            return;

        if (window.__form.__formAttached == true)
            return;

        window.__form.__formAttached = true;
        window.__form.attachEvent("onsubmit", window.__initDelta);
        window.__form._submit = window.__form.submit;
        window.__form.submit = window.__submit;
        window.__form.target = "__hifSmartNav";
    };

    window.__attachForm();
    window.attachEvent("onload", window.__loadHistory);
    window.__init = true;
}