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Solved

Overflow hidden/visible Safari problem

Posted on 2008-06-26
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Medium Priority
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Last Modified: 2013-11-19
I am using overflow:hidden to show and hide some content in a div. This works fine in IE6, IE7 and FF BUT in Safari it doesn't seem to work?

If I use inline CSS to test each state, both overflow:hidden and overflow:visible it works fine but when I try and do that dynamically with JavaScript it fails to work?

Any ideas would be great!?!

Here is my code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Overflow hidden</title>
 
<style type="text/css">
#special{width:900px; height:200px; background-color:#FFFFFF; border:1px dashed #999999;}
#special img{float:right; margin:10px 10px 20px; border:1px solid #666666; display:inline}
#show-all{width:900px;position:absolute;bottom:0;z-index:99;background-color: #F8F8F8;opacity: .5;filter: alpha(opacity=50);height:10px;}
#show-all2{width:900px;background-color: #CCCCCC;}
#show-all2 a{display:block; padding:2px; background-color:#0000FF; float:right;color:#FFFFFF;display:inline}
</style>
 
<script type="text/javascript">
function showhide(id){
if (document.getElementById){
obj = document.getElementById(id);
if (obj.style.overflow == "hidden"){
obj.style.overflow = "visible";
obj.style.height = "auto";
} else {
obj.style.overflow = "hidden";
obj.style.height = "200px";
}
}
}
</script>
 
</head>
 
<body>
 
<div id="special" style="overflow:hidden;">
<div id="show-all">&nbsp;</div>
<div id="show-all2"><a href="#" onclick="showhide('special'); return(false);">Show all</a><br style="clear:right" /></div>
<div style="padding:10px;">
<img src="images/service.jpg" alt="" /><br /><br />
<h1>Atom Bomb</h1>
<p>Aftermath of an atomic bomb explosion - The aftermath of an atom bomb dropped on Japan by the United States in 1945. <br />Category: Social Studies - America History<br />Film Name: The Fragile Balance<br />Key Words: atom bomb, World War II, Hiroshima, Nagasaki<br /></p>
<p>Copyrighted Material, AIMS Multimedia. </p>
<br />
</div>
<br />
<br style="clear:both" />
</div>
 
</body>
</html>

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Question by:Eternal_Student
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7 Comments
 
LVL 75

Expert Comment

by:Michel Plungjan
ID: 21882045
http://www.quirksmode.org/css/overflow.html

Safari cannot dynamically change overflow to auto or scroll. Bug solved in Safari 3.0b Windows.
0
 
LVL 75

Accepted Solution

by:
Michel Plungjan earned 1000 total points
ID: 21882092
Here
<script type="text/javascript">
var shown=true;
function showhide(id){
var obj=document.getElementById(id);
obj.style.overflow = (shown)?"hidden":"visible";
obj.style.height   = (shown)?"200px":"auto";
shown=!shown;
}
</script>

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LVL 18

Author Comment

by:Eternal_Student
ID: 21897576
There is no fix for Safari then?
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LVL 75

Expert Comment

by:Michel Plungjan
ID: 21897644
I just gave it to you.
The script I gave you should work on all browsers on all platforms
If you need it to save the state while navigating away and back, we need to add some code to the onLoad but otherwise it should work
Try it.
Michel
0
 
LVL 18

Author Comment

by:Eternal_Student
ID: 21899268
I just tested on IE and FF and you need to click the link a couple of times before it works. I had this problem before but im not sure how I solved it now?
0
 
LVL 75

Expert Comment

by:Michel Plungjan
ID: 21899415
Change shown=true to shown=false
My mistake
0
 
LVL 18

Author Comment

by:Eternal_Student
ID: 21899606
Works like a treat, thank you.
0

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