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Why doesn't style.display = "block"/"none" work in IE8 and IE9?

I try to use the display style property to show and hide a div.but it doesn't work in IE,FF and Chrome works fine.And there are no bugs in other js code and the text page in the codes below.

The style code is here :
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  1. .ad_div{ border: 1px solid #ccc; display: none; z-index: 1001; width: 650px; height: 470px; position: absolute; background-color:white }
  2. .ad_iframe{ border: none; width: 649px; height: 469px }
  3.  
html code is here:
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  1. <div class="ad_div" id="div_ad">
  2.     <iframe class="ad_iframe" id="iframe_ad">
  3.     </iframe>
  4. </div>
  5.  
and the js code is here :
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  1. function showAdPop()
  2.     {
  3.         if (adTimes > 0) 
  4.         {
  5.             var d = document.getElementById("div_ad");
  6.             d.style.display  = "block";
  7.             var i = document.getElementById("iframe_ad");
  8.             i.src = "MyTest.html";
  9.         }
  10.     }
  11.  
  12. function hideAdPop() 
  13.     {
  14.         document.getElementById("div_ad").style.display  = "none";
  15.         document.getElementById("iframe_ad").src = "";
  16.     }
  17.  
can anyone give me a solution to this or explain it to me?It will be appreciate for helping.
Nov 5 '10 #1
2 10173
I've just figured this problem out.
That's because i have a flash embed in this page.And i haven't set the flash object's property "wmode" to value other than "window".So although i set the z-index of my div layer,it still is under the flash object in this page.

But here comes a new question:
The "src" i set to myIframe doesn't seem to work in IE either,which the src page is definitely right and can work in any browser.

So do anyone can explain this to me?..

By shunia
Nov 5 '10 #2
Death Slaught
1,137 Top Contributor
Does the iFrame work when the source is already there? In other words, not using JavaScript to add the source.


Thanks, Death
Nov 5 '10 #3

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