[Javascript] accessing a form element

[Håkan Magnusson]

For Mozilla/Netscape7:
http://www.mozilla.org/docs/dom/domref/

W3 schools reference:
http://www.w3schools.com/js/default.asp

I've never liked MSDN's way of "organizing", meaning I can't find squat 
on their site, but someone else here can probably tell you where their 
JavaScript-reference is.

Regards,
H

Günther Mittermayer wrote:

> Hi Matt, 
> 
> you have no Idea on how much more time you saved me! Thanks a lot!!
> Your "getElementById ("theinput");" hint saved my day!!
> 
> BTW, is there any online documentation on the javascript functions? I mean something like Java's class documentation... somewhere where I could know all methods in the document class?
> 
> Tks once again.
> Günther.
> 
> "[JavaScript List]" <javascript at LaTech.edu> schrieb am 05.04.04 15:37:27:
> 
>>Hi there.
>>
>>I'd do something like this (usual caveat applies: I haven't tested this, and
>>it may be riddled with typo's, but it should give you an idea....)
>>
>><!-- Start -->
>><input type="image" id="theinput" src="/pics/image1.png">
>><script language="javascript">
>>var oInput = document.getELementById ("theinput");
>>var oImage1=new Image();
>>var oImage2=new Image();
>>var bFlag = true
>>oImage1.src="/pics/image1.png";
>>oImage2.src="/pics/image2.png";
>>
>>// this function will do the image swapping - call it with your settimeout
>>method
>>function swapImages () {
>>    if (bFlag) {
>>        bFlag = false;
>>        oInput.src = oImage1.src;
>>    } else {
>>        bFlag = true;
>>        oInput.src = oImage2.src;
>>    }
>>    setTimeout ("swapImages();", 500);
>>}
>>
>>setTimeout ("swapImages();", 500);
>>
>></script>
>><!-- Fin -->
>>
>>Hope this help
>>
>>Matt
>>
>>----- Original Message ----- 
>>From: "Günther Mittermayer" <g_mitter at web.de>
>>To: <javascript at LaTech.edu>
>>Sent: Monday, April 05, 2004 2:21 PM
>>Subject: [Javascript] accessing a form element
>>
>>
>>Hi all,
>>
>>I'm kind of stuck here.
>>I have an application that has a form, in which a image button must have its
>>image swapped periodically.
>>
>>My idea was to have a javascript script swapping the "src" attribute of the
>>image button.  I have already lost a lot of time trying to have it working,
>>but it simply doesn't. I get the following error:
>>
>>Error: document.form1.image1 has no properties.
>>
>>Can anyone help me finding out what's wrong?? Any help is welcome!!!!! I
>>said ANY!
>>
>>thanx in advance!!
>>Günther.
>>=======
>>Here is some code:
>>
>>the javascript function:
>>function refresh_image()
>>{
>>//Refreshes the image
>>document.form1.image1.src="whatever.png";
>>setTimeout('refresh_image();',500);
>>}
>>
>>and the form looks like this:
>><form method="post" action="theaction.cgi"
>>enctype="application/x-www-form-urlencoded" name="form1">
>>      <input type="image" name="image1" src="../pics/the_image.png" />
>></form>
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> 
> 
> 
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