Certificate doesn't load in IE when the content is launched from web server

Certificate ››

PROBLEM

I launched ToolBook DHTML content from a web server in Internet Explorer.  After clicking a Display Certificate button, all I get is the background of the Certificate with nothing else. If I wait for 1 to 2 minutes, I get the message below:


    Stop Running This Script?

    A script on this page is causing Internet Explorer to run slowly.

    If it continues to run, your computer may become unresponsive.

   

DETAILS

As you might have noticed, when you enter a Certificate page, you will get a popup window asking you to enter your name.  Internet Explorer 7 and 8 has a security setting called Allow websites to prompt for information using scripted windows and it is set to Disable by default, which prevents the Certificate from popping up the window asking for user's name. The Certificate needs the user name to continue to display the content but is unable to get it, thus the problem appears.


The security setting Allow websites to prompt for information using scripted windows of Internet Explorer can be found in Tools | Internet Options. In the Security tab in the Internet Options window, click the Custom Level button. This setting is listed in the Scripting section.


SOLUTION

Enabling the security setting Allow websites to prompt for information using scripted windows of Internet Explorer will prevent this problem.  However, you might not want all your users to have to change their IE default security settings, in which case you can try the following.


The Certificate pops up a widow asking for user name only if the user name has not been obtained prior to entering the Certificate page. To prevent the Certificate from popping up the window to begin with, you can obtain the user name earlier in your content. To do so, you will need to use the Student Name Prompt object found in Certificates category in the catalog. Add this to an appropriate earlier page in your book, so that the user can provide their name early on.



KEYWORDS: 23917 P23917




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