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Ajax not working in IE7, works in IE8 and firefox

Posted on 2011-03-12
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Last Modified: 2012-05-11
Experts,
I added an Ajax script to my website.
http://www.viewpts.com/sports3.php

When viewed in IE8 or Firefox, clicking the Thumbs up or Thumbs Down icons will result in the user casting a vote instantly via ajax.  This works correctly.

When I do this in IE7, the vote gets cast but only after the page refreshing.
I also notice a Javascript Error in IE7 but I can't pinpoint exactly what it is.
I'm not sure if the issue is related.

I've also read this article on Experts Exchange, but I'm unsure of which variables I would change in my code:
http://www.experts-exchange.com/Programming/Languages/Scripting/AJAX/A_3565-Ajax-and-IE7-problems.html?sfQueryTermInfo=1+10+30+ajax+ie7+ie8+work

Any ideas?

Thanks,
-dsg
<?php
session_start();

include_once("/home/allgo5/public_html/viewpts/functions.php");
include_once("/home/allgo5/public_html/viewpts/thumbsup/init.php");
include_once("/home/allgo5/public_html/viewpts/db.php");

dbConnect('allgo5_viewpts');
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns:fb="http://www.facebook.com/2008/fbml">
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<?
echo ThumbsUp::css();
echo ThumbsUp::javascript();

?>
<title>View Points</title>
<meta http-equiv=Content-Type content=application/xhtml+xml; charset=UTF-83 />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<link href="style.css" rel="stylesheet" type="text/css" />
<link href="layout.css" rel="stylesheet" type="text/css" />

</head>
  	<?

    $sz = "Select * From SportsStories where ViewPointQuestion IS NOT NULL order by PostDate desc LIMIT 12";  
	$rz=mysql_query($sz) or die(mysql_error());
		while($az=mysql_fetch_array($rz))
		{
     	$th_id = "SportsID" . $az[NewsID];	
		echo "<li><span><b><TABLE width='420'><TR><TD><A HREF='" . $az[Link] . "'Target=Blank>"  . $az[Title] . "</A></TD></TR><TR><TD>" . $az[ArticleDate] . "</TD></TR><TR><TD width=360'></b><STRONG>" . $az[ViewPointQuestion] . "</STRONG></TD><TR><TD>";
		
//		if ($me) {
		
		echo ThumbsUp::item($th_id)->template('thumbs_up_down');
		
//		}
//		else
//		{
//		echo "<P><I>Login to vote on this question/story!</I>";	
//		}
		
		echo "</TD></TR><TR><TD>";
		?>
      <iframe src="http://www.facebook.com/plugins/comments.php?href=viewpts.com/article.php?id=<?=$az[NewsID]?>&linkTarget=blank&permalink=1" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:130px; height:16px;" allowTransparency="true"></iframe> 

        <?
		echo "<p></TD></TR></TABLE></span></li>";
		echo "<HR>";
		}
	?>
</body>
</html>

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Question by:dsg138
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10 Comments
 
LVL 29

Expert Comment

by:Badotz
ID: 35116337
>>I also notice a Javascript Error in IE7 but I can't pinpoint exactly what it is.

hmmm...that might be important? How do you know an error has occurred? Can you tell us anything about the error?
0
 

Author Comment

by:dsg138
ID: 35116375
In the left corner of the brower, I get the Yellow warning icon.
Line: 2
Char: 715
Error:  Expected Identifier, String or Number
Code: 0
0
 
LVL 29

Expert Comment

by:Badotz
ID: 35116388
Can you show us lines 1 through 10?
0
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Author Comment

by:dsg138
ID: 35116903
All of the code in this page is posted above.  Thanks!
0
 
LVL 29

Expert Comment

by:Badotz
ID: 35116968
Then please, show us the 715th character of line 2.
0
 

Author Comment

by:dsg138
ID: 35116982
I can't.  Line 2 is session_start().  And there isn't 715 characters.
I don't know how to troubleshoot this. That's why I'm posting here.  This message doesn't make sense to me.

Again, the function works but refreshes the page instead of letting Ajax doing the update.
Only an issue in IE7.
0
 
LVL 29

Expert Comment

by:Badotz
ID: 35117141
What is line 2 from the first JavaScript file in your page?
0
 
LVL 12

Accepted Solution

by:
zappafan2k2 earned 2000 total points
ID: 35119194
In the file init.min.js.php
near the code
spinner_large_red.gif" />',};switch(template)

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You have a comma followed by a brace:
,}

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Try getting rid of the comma.  If that doesn't fix it, then you'll probably have to un-minify your code to see what's really going on.
0
 

Author Closing Comment

by:dsg138
ID: 35121736
Perfect!  This fixed both the Javascript issue and the Ajax issue.

I can't believe it was ONE COMMA!

Many thanks!

-dsg
0
 
LVL 12

Expert Comment

by:zappafan2k2
ID: 35121752
When I was in college, my teacher told me that a person was almost killed by a medical device because of a misplaced semicolon.  

Anyway, glad to hear it's working.
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