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scriptlet hide everything but div

Posted on 2010-09-12
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337 Views
Last Modified: 2012-05-10
I want to have a bookmark so when I click on it, everything hides except what is in the div with the id pageContainer.  This is for a news site.  Basically I want to hide the surrounding area except the main body area.
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Question by:jackjohnson44
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7 Comments
 
LVL 5

Expert Comment

by:roxviper
ID: 33660187
0
 
LVL 14

Accepted Solution

by:
sam2912 earned 500 total points
ID: 33660614
Working example:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
* {
   font-size: 18px;
   font-family: Calibri, Arial, Verdana;
}
#pageContainer {
   border: 1px solid red;
   padding: 10px;
}
</style>
<script type="text/javascript">
//<![CDATA[
function showDiv(divId) {
	var all = document.getElementsByTagName("*");
	for(i=0;i<all.length;i++) {
			all[i].style.display = "none";
	}
	var elem = document.getElementById(divId);
	do { elem.style.display = "block"; } while(elem = elem.parentNode);
}
//]]>
</script>
</head>

<body>
<h1>Heading</h1>
<p>Some Text</p>
<p>Some Text</p>
<div id="pageContainer">Text in div pageContainer</div>
<p><a href="#" onclick="showDiv('pageContainer');">This bookmark hides display of everything other than pageContainer</a></p>
<p>Some Text</p>
<p>Some Text</p>
</body>
</html>

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0
 
LVL 22

Expert Comment

by:kadaba
ID: 33663397
<a href="#" onclick="showDiv('pageContainer');">
should be
<a href="#" onclick="showDiv('pageContainer');return false;">

and also please check for any script errors.
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LVL 14

Expert Comment

by:sam2912
ID: 33664625
There's nothing wrong with that, but since you insist, here's the updated code.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
* {
   font-size: 18px;
   font-family: Calibri, Arial, Verdana;
}
#pageContainer {
   border: 1px solid red;
   padding: 10px;
}
</style>
<script type="text/javascript">
//<![CDATA[
function showDiv(divId) {
        var all = document.getElementsByTagName("*");
        for(i=0;i<all.length;i++) {
                        all[i].style.display = "none";
        }
        var elem = document.getElementById(divId);
        do { elem.style.display = "block"; } while(elem = elem.parentNode);
}
//]]>
</script>
</head>

<body>
<h1>Heading</h1>
<p>Some Text</p>
<p>Some Text</p>
<div id="pageContainer">Text in div pageContainer</div>
<p><a href="#" onclick="showDiv('pageContainer'); return false;">This bookmark hides display of everything other than pageContainer</a></p>
<p>Some Text</p>
<p>Some Text</p>
</body>
</html>

Open in new window

0
 
LVL 22

Expert Comment

by:kadaba
ID: 33664671
sam,
No offense.
I always use return false for it not to evaluate to href which is the default behavior.
Your script still has errors, at least I got it in IE 8 and FF.
So pointed them out.

No points for me, glad to help a lending hand.

Best,
kadaba
0
 

Author Closing Comment

by:jackjohnson44
ID: 33772604
cc
0

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