Javascript and firefox

[Phil]

Hi,

I am trying to dynamically embed an object into a webpage using
javascript.

The object i am trying to embed is:

<embed type="applicati on/x-Immersion-Web-Plugin" name="ImmWeb"
hidden="true"></embed>

Later on in the code I access

document.ImmWeb .MakeConstant(" MyConstant");

which works fine.

However I want to embed the object dynamically, so I created a function
which does the following:

var embedObj = document.create Element("embed" );
embedObj.setAtt ribute('type' ,'application/x-Immersion-Web-Plugin');
embedObj.setAtt ribute('name' ,'ImmWeb');
embedObj.setAtt ribute('hidden' ,'true');

var body = document.getEle mentsByTagName( "body")[0];
body.insertBefo re(embedObj, body.firstChild );

This function is called when I load the page (onLoad). However I can no
longer use:
document.ImmWeb .MakeConstant(" MyConstant");

as the javascript debugger states that this "is not a function". The
only things I can access via document.ImmWeb are the attributes stated
above (type, name and hidden). When the object is embedded normally
there is a lot of other methods that can be accessed. (Note the
application/x-Immersion-Web-Plugin is a component that has been
installed)

Am i missing something - is it not possible to dynamically embed
objects? Is there some call i have to make somewhere to update
something!

Thanks
Phil

[Martin Honnen]

Re: Javascript and firefox



Phil wrote:

[color=blue]
> However I want to embed the object dynamically, so I created a function
> which does the following:
>
> var embedObj = document.create Element("embed" );
> embedObj.setAtt ribute('type' ,'application/x-Immersion-Web-Plugin');
> embedObj.setAtt ribute('name' ,'ImmWeb');
> embedObj.setAtt ribute('hidden' ,'true');
>
> var body = document.getEle mentsByTagName( "body")[0];
> body.insertBefo re(embedObj, body.firstChild );
>
> This function is called when I load the page (onLoad). However I can no
> longer use:
> document.ImmWeb .MakeConstant(" MyConstant");[/color]

When are you trying to do that MakeConstant call, immediately after the
insertBefore? In that case the plugin is probably not yet loaded completely.

--

Martin Honnen

http://JavaScript.FAQTs.com/

[Rob B]

Re: Javascript and firefox


Phil wrote:
[color=blue]
> Hi,[/color]
[color=blue]
> I am trying to dynamically embed an object into a webpage using
> javascript.[/color]
[color=blue]
> The object i am trying to embed is:[/color]
[color=blue]
> <embed type="applicati on/x-Immersion-Web-Plugin" name="ImmWeb"
> hidden="true"></embed>[/color]
[color=blue]
> Later on in the code I access[/color]
[color=blue]
> document.ImmWeb .MakeConstant(" MyConstant");[/color]
[color=blue]
> which works fine.[/color]
[color=blue]
> However I want to embed the object dynamically, so I created a[/color]
function[color=blue]
> which does the following:[/color]
[color=blue]
> var embedObj = document.create Element("embed" );
> embedObj.setAtt ribute('type' ,'application/x-Immersion-Web-Plugin');
> embedObj.setAtt ribute('name' ,'ImmWeb');
> embedObj.setAtt ribute('hidden' ,'true');[/color]
[color=blue]
> var body = document.getEle mentsByTagName( "body")[0];
> body.insertBefo re(embedObj, body.firstChild );[/color]
[color=blue]
> This function is called when I load the page (onLoad). However I can[/color]
no[color=blue]
> longer use:
> document.ImmWeb .MakeConstant(" MyConstant");[/color]
[color=blue]
> as the javascript debugger states that this "is not a function". The
> only things I can access via document.ImmWeb are the attributes stated
> above (type, name and hidden). When the object is embedded normally
> there is a lot of other methods that can be accessed. (Note the
> application/x-Immersion-Web-Plugin is a component that has been
> installed)[/color]
[color=blue]
> Am i missing something - is it not possible to dynamically embed
> objects? Is there some call i have to make somewhere to update
> something![/color]

Any reason you're not using <object> and accessing it by id? Not
familiar w/that plugin so, perhaps there are some issues.

This sounds a bit like
Internet Explorer's failure to add named references for dynamically
created form elements to the elements[] collection. Might need to do it
yourself:

var body = document.getEle mentsByTagName( "body")[0];
body.insertBefo re(embedObj, body.firstChild );
document.ImmWeb = embedObj;

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[Phil]

Re: Javascript and firefox


Martin Honnen wrote:[color=blue]
> Phil wrote:
>
>[color=green]
> > However I want to embed the object dynamically, so I created a[/color][/color]
function[color=blue][color=green]
> > which does the following:
> >
> > var embedObj = document.create Element("embed" );
> > embedObj.setAtt ribute('type'[/color][/color]
,'application/x-Immersion-Web-Plugin');[color=blue][color=green]
> > embedObj.setAtt ribute('name' ,'ImmWeb');
> > embedObj.setAtt ribute('hidden' ,'true');
> >
> > var body = document.getEle mentsByTagName( "body")[0];
> > body.insertBefo re(embedObj, body.firstChild );
> >
> > This function is called when I load the page (onLoad). However I[/color][/color]
can no[color=blue][color=green]
> > longer use:
> > document.ImmWeb .MakeConstant(" MyConstant");[/color]
>
> When are you trying to do that MakeConstant call, immediately after[/color]
the[color=blue]
> insertBefore? In that case the plugin is probably not yet loaded[/color]
completely.[color=blue]
>[/color]

So how do u recommend waiting until the plugin is loaded - use of a
timer?

Thanks

[Martin Honnen]

Re: Javascript and firefox



Phil wrote:

[color=blue][color=green][color=darkred]
>>>body.insertB efore(embedObj, body.firstChild );
>>>
>>>This function is called when I load the page (onLoad). However I[/color][/color]
>
> can no
>[color=green][color=darkred]
>>>longer use:
>>>document.Imm Web.MakeConstan t("MyConstant") ;[/color]
>>
>>When are you trying to do that MakeConstant call, immediately after[/color]
>
> the
>[color=green]
>>insertBefor e? In that case the plugin is probably not yet loaded[/color]
>
> completely.
>
>
> So how do u recommend waiting until the plugin is loaded - use of a
> timer?[/color]

Yes, you should be able to check for the method e.g.

function callPlugin () {
if (document.embed s && document.embeds .ImmWeb &&
document.embeds .ImmWeb.MakeCon stant) {
document.embeds .ImmWeb.MakeCon stant("MyConsta nt");
}
else {
setTimeout('cal lPlugin();', 100);
}
}

...
body.insertBefo re(embedObj, body.firstChild );
var tid = setTimeout('cal lPlugin();', 100);

Let me know whether that helps, I am not sure I have used it with
plugins but with applets that approach has worked for me.

--

Martin Honnen

http://JavaScript.FAQTs.com/