📄 smartnavie5.js
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<!------------------------------------------------------------------------
//
// Copyright 2000 Microsoft Corporation. All Rights Reserved.
//
// File: SmartNavie5.js
//
// Description: this file implements a smart navigation mecanism for IE5.0
//
//----------------------------------------------------------------------->
if (window.__smartNav == null && (window.parent.__smartNav == null
|| window.parent.frames["__hifSmartNav"] != window))
{
var sn = new Object();
window.__smartNav = sn;
sn.hif = document.all("__hifSmartNav");
sn.siHif = sn.hif.sourceIndex;
sn.update = function()
{
var sn = window.__smartNav;
if (sn.xmli.XMLDocument.readyState < 4 || sn.updated == true)
return;
sn.updated = true;
try { fd = frames["__hifSmartNav"].document; } catch (e) {return;}
var fdr = fd.getElementsByTagName("asp_smartnav_rdir");
if (fdr.length > 0)
{
if (sn.sHif == null)
{
sn.sHif = document.createElement("IFRAME");
sn.sHif.name = "__hifSmartNav";
sn.sHif.style.display = "none";
}
try {window.location = fdr[0].url;} catch (e) {};
return;
}
var fdurl = fd.location.href;
if (fdurl == "javascript:smartnav=1")
return;
var fdurlb = fdurl.split("?")[0];
if (document.location.href.indexOf(fdurlb) < 0)
{
document.location.href=fdurl;
return;
}
var hdm = document.getElementsByTagName("head")[0];
var hk = hdm.childNodes;
for (var i = hk.length - 1; i>= 0; i--)
{
if (hk[i].tagName != "BASEFONT" || hk[i].innerHTML.length == 0)
hdm.removeChild(hdm.childNodes[i]);
}
var kids = fd.getElementsByTagName("head")[0].childNodes;
for (var i = 0; i < kids.length; i++)
{
var tn = kids[i].tagName;
var k = document.createElement(tn);
k.id = kids[i].id;
switch(tn)
{
case "TITLE":
k.innerText = kids[i].text;
hdm.insertAdjacentElement("afterbegin", k);
continue;
case "BASEFONT" :
if (kids[i].innerHTML.length > 0)
continue;
k.mergeAttributes(kids[i]);
break;
default:
var o = document.createElement("BODY");
o.innerHTML = "<BODY>" + kids[i].outerHTML + "</BODY>";
k = o.firstChild;
k.mergeAttributes(kids[i]);
break;
}
hdm.appendChild(k);
}
var colSelect = document.body.getElementsByTagName("SELECT");
for (var i = 0; i < colSelect.length; i ++)
colSelect[i].removeNode(true);
var obody = document.body;
sn.sHif = sn.hif;
obody.insertAdjacentElement("beforeBegin", sn.hif);
obody.innerHTML = fd.body.innerHTML;
obody.clearAttributes();
obody.id = fd.body.id;
obody.mergeAttributes(fd.body);
window.setTimeout(sn.restoreFocus, 0);
sn.attachForm();
};
window.__smartNav.restoreFocus = function()
{
var curAe = document.activeElement;
var sAeId = window.__smartNav.ae;
if (sAeId==null || curAe!=null && (curAe.id==sAeId||curAe.name==sAeId))
return;
var ae = document.all(sAeId);
if (ae == null) return;
try { ae.focus(); } catch(e){};
}
window.__smartNav.saveHistory = function()
{
if (window.__smartNav.sHif != null)
{
if (window.__smartNav.hif != null)
window.__smartNav.hif.parentElement.removeChild(window.__smartNav.hif);
document.all[window.__smartNav.siHif].insertAdjacentElement(
"beforeBegin", window.__smartNav.sHif);
}
}
window.__smartNav.init = function()
{
try { if (window.event.returnValue == false) return;} catch(e) {}
var sn = window.__smartNav;
if (document.activeElement != null)
{
var ae = document.activeElement.id;
if (ae.length == 0)
ae = document.activeElement.name;
sn.ae = ae;
}
else
sn.ae = null;
if (document.selection.type != "None")
try {document.selection.empty();} catch (e) {}
var hif = sn.sHif;
try { if (hif) hif.parentElement.removeChild(hif);} catch(e){}
sn.hif = document.all["__hifSmartNav"];
if (sn.hif.tagName != "IFRAME")
sn.hif = window.__smartNav.hif[0];
sn.hifName = "__hifSmartNav" + (new Date()).getTime();
frames["__hifSmartNav"].name = sn.hifName;
sn.form.target = sn.hifName;
sn.updated = false;
};
window.__smartNav.submit = function()
{
window.__smartNav.init();
window.__smartNav.form._submit();
};
window.__smartNav.attachForm = function()
{
var cf = document.forms;
var sn = window.__smartNav;
for (var i=0; i<cf.length; i++)
{
if (cf[i].__smartNavEnabled != null)
{
sn.form = cf[i];
break;
}
}
if (sn.form == null)
return false;
var sft = sn.form.target;
if (sft.length != 0 && sft != "__hifSmartNav") return false;
var sfc = sn.form.action.split("?")[0];
var url = window.location.href.split("?")[0];
if (url.lastIndexOf(sfc) + sfc.length != url.length) return false;
if (sn.form.__formAttached == true) return true;
sn.form.__formAttached = true;
sn.form.attachEvent("onsubmit", sn.init);
sn.form._submit = sn.form.submit;
sn.form.submit = sn.submit;
return true;
};
sn.sFn = "if (document.readyState != 'complete')"
+ "return;"
+ "var wpd = window.parent.document;"
+ "var xmli = wpd.createElement('XML');"
+ "wpd.body.appendChild(xmli);"
+ "window.parent.__smartNav.xmli = xmli;"
+ "xmli.onreadystatechange=window.parent.__smartNav.update;"
+ "xmli.src = '';";
var rc = sn.attachForm();
if (rc)
window.attachEvent("onbeforeunload", sn.saveHistory);
else
window.__smartNav = null;
}
if (window.parent != window && window.parent.__smartNav != null
&& window.parent.frames["__hifSmartNav"] == window)
{
var f = new Function(window.parent.__smartNav.sFn);
document.attachEvent("onreadystatechange", f);
}
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