<HTML>
<Head>
<Meta name = "generator" content = "Microsoft Visual Studio 6.0">
<Title> </title>
<Script language = JavaScript>
<! --
Function loadhttp (myname, callback, Uri ){
With (this)
{
If (! Document. readystate)
Document. readystate = "completed ";
This. myname = myname;
This. Callback = callback; // 'iframe' is our fallback: a reference to a dynamically created IFRAME buffer.
This. IFRAME = NULL;
Window. _ ifr_buf_count | = 0;
This. iframeid = 'iframebuffer' + window. _ ifr_buf_count ++;
// A loading flag, set to the requested URI when loading.
This. loadinguri = ''; // in MSIE or browsers with no XMLHttpRequest support: fallback to iframes buffers.
// I'm using iframes in MSIE due to XMLHTTP not parsing text/html to a Dom.
// Also used in ie5/MAC, opera 7.x, safari <1.2, some Konqueror versions, etc.
If (document. createelement & document.doc umentelement &&
(Window. Opera | navigator. useragent. indexof ('msie 5.0 ') =-1 ))
{
VaR IFR = Document. createelement ('iframe ');
IFR. setattribute ('id', iframeid );
IFR. setattribute ('name', iframeid );
// Hide with visibility instead of display to fix safari bug.
IFR. style. Visibility = 'den den ';
IFR. style. Position = 'absolute ';
IFR. style. width = IFR. style. Height = IFR. borderwidth = '0px ';
IFRAME = Document. getelementsbytagname ('body') [0]. appendchild (IFR );
}
Else if (document. Body & document. Body. insertadjacenthtml)
{
// Ie5.0 doesn't like createelement 'd frames (won't script them) and ie4 just plain
// Doesn't support it. Luckily, this will fix them both:
Document. Body. insertadjacenthtml ('beforeend', '<IFRAME name = "' + iframeid +
'"Id ="' + iframeid + '"style =" display: none "> </iframe> ');
}
// This helps most ie versions regardless of the Creation method:
If (window. Frames & window. Frames [iframeid]) IFRAME = Window. Frames [iframeid];
IFRAME. Name = iframeid;
}
This. Load (URI );
// Todo: Put in further dom3 lsparser support as a transport layer ...?
Return this;
}; Loadhttp. Prototype. iframesend = function (Uri, formref)
{
With (this)
{
// Routes a request through our hidden IFRAME. Pass a URI, and Optionally
// Reference to a submitting form. requires proprietary 'readystate' property. If (! Document. readystate)
Return false; // opera fix: force the frame to render before setting it as a target.
If (document. getelementbyid)
VaR o = Document. getelementbyid (iframeid). offsetwidth; // either route the form submission to the IFRAME (easy !)...
If (formref)
Formref. setattribute ('target', iframeid );
Else
{
//... Or load the provided URI in the IFRAME, checking for browser bugs:
// 1) Safari only works well using 'document. location '.
// 2) opera needs the 'src' explicitly set!
// 3) Konqueror 3.1 seems to think ifrdoc's location = Window. Location, so watch that too.
VaR ifrdoc = IFRAME. contentdocument | iframe.doc ument; If (! Window. Opera & ifrdoc. Location & ifrdoc. Location. href! = Location. href)
Ifrdoc. Location. Replace (URI );
Else
IFRAME. src = URI;
} // Either way, set the loading flag and start the readystate checking loop.
// Opera likes a longer initial timeout with multiple frames running...
Loadinguri = URI; setTimeout (myname + '. iframecheck ()', (window. Opera? 250: 100 ));
Return true;
}
}; Loadhttp. Prototype. iframecheck = function ()
{
With (this)
{
// Called after a timeout, periodically callitself until the load is complete.
// Get a reference to the loaded document, using either W3 contentdocument or IE's Dom.
Doc = IFRAME. contentdocument | iframe.doc ument;
// Check the IFRAME's. readystate property and callback () If load complete.
// Ie4 only seems to advance to 'interactive 'So let it proceed from there.
VaR IL = IFRAME. Location, DR =! Dr | Doc. readystate;
If (IL & Il. href? Il. href. Match (loadinguri): 1 )&&
(DR = 'complete' | (! Document. getelementbyid & DR = 'interactive ')
| Doc.doc umentelement. innerhtml! = "<Head> {
If (callback)
Callback(doc.doc umentelement | DOC), loadinguri );
Loadinguri = '';
}
Else
{
Alert (1 );
SetTimeout (myname + '. iframecheck ()', 50 );
}
}
}; // *** Public methods ***
Loadhttp. Prototype. load = function (URI)
{
With (this)
{
// Call with a URI to load a plain text document. If (! Uri |! IFRAME)
Return false;
// Route the get through an available transport layer.
If (IFRAME)
Return iframesend (Uri, null );
Else
Return false;
}
};
// -->
</SCRIPT> <Body>
<Span id = "showitem"> </span>
</Body>
<Script language = JavaScript>
<! --
Function onloadshowitem (content, Uri)
{
// Alert (content. innerhtml );
Showitem. innerhtml = content. innerhtml;
}
VaR lhp = new loadhttp ("lhp", onloadshowitem, "hello.htm ");
// -->
</SCRIPT>
</Html>
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