change image attribute
<p>i have image tag on dom but i can't change attribute of that</p>

<pre><code>$('#stuff').prop("disabled", true);
</code></pre>

<p>or</p>

<pre><code>$('#stuff').attr("disabled", true);
$('#stuff').click(function(){ ... });
</code></pre>

<p>html:</p>

<pre><code>&lt;img src='images/system_help.png' id='stuff' width='18px'/&gt;
</code></pre>

<p>after use prop or attr i can click on the tag</p>
