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POCSS z-index/javascript working differently in the three major browsers
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  1. POCSS z-index/javascript working differently in the three major browsers
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    copied!<p>here it is hosted so you can see the behavior. (first two keys only, leftmost white key and black key next to it)</p> <pre><code>http://23.23.184.26/miller/cssz/main.html </code></pre> <p>works <em>pefectly</em> in chrome (19.-) produces a blue halo (selection?) box in firefox (12.0) does not work <em>at all</em> in IE9</p> <p>any advice?</p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;style type="text/css"&gt; #main { position:absolute; left:0px; top:0px; z-index:100 } #key1 { position:absolute; left:0px; top:0px; z-index:98 } #key2 { position:absolute; left:0px; top:0px; z-index:98 } #key1zone { position:absolute; width:50px; height:75px; top:175px; left:55px; z-index:200 } #key2zone { position:absolute; width:50px; height:75px; top:100px; left:85px; z-index:200 } /*uncomment this to show button zones*/ #key1zone:hover, #key2zone:hover { border:1px solid red; } &lt;/style&gt; &lt;script type="text/javascript"&gt; function keyDown(key) { document.getElementById(key).style.zIndex = "102"; } &lt;/script&gt; &lt;script type="text/javascript"&gt; function keyUp(key) { document.getElementById(key).style.zIndex = "98"; } &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="key1zone" onMouseDown="keyDown('key1')" onMouseUp="keyUp('key1')" onMouseOut="keyUp('key1')"&gt;&lt;/div&gt; &lt;div id="key2zone" onMouseDown="keyDown('key2')" onMouseUp="keyUp('key2')" onMouseOut="keyUp('key2')"&gt;&lt;/div&gt; &lt;img id="main" src="0.gif" width="506" height="319"&gt; &lt;img id="key1" src="1.gif" width="506" height="319"&gt; &lt;img id="key2" src="2.gif" width="506" height="319"&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
 

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