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What is the Object-tag equivalent of the MayScript attribute

Posted on 2002-05-01
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Last Modified: 2013-11-19
When I use an <Applet> tag I am able to make calls to javascript from my applet using the JSObject.  This doesn't work when I use an <Object> tag, I get a nullpointerexception when I try to execute a call.  

Any idea about what causes this?
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Question by:garyz31
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5 Comments
 
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Expert Comment

by:objects
ID: 6985191
Add the mayscript parameter:
<PARAM NAME="mayscript" VALUE="true">
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Author Comment

by:garyz31
ID: 6986004
Objects:

Am I correct in concluding that when Internet Explorer loads a page containing an <Applet> tag, it uses the Sun JRE, and when it loads an applet referenced by an <Object> tag, it uses the Microsoft VB?  This would explain why I was able to load an applet from a jar last week.
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Accepted Solution

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objects earned 300 total points
ID: 6987463
What is used for the <applet> tag depends whether the plugin is selected as the default JVM. If it isn't, then the MS VM is used.
The <object> tag loads whatever the classid maps to which is generally a version of the plugin.
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Author Comment

by:garyz31
ID: 6987492
It turns out that the classCastExceptions were actually being caused by errors in my server pages.  A the time I was switching from <Applet> to <Object>, I was also moving my server pages to my hosting service.

The MayScript param fixed the other problem with calling javascript.

Thanks
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LVL 92

Expert Comment

by:objects
ID: 6987582
No worries :-)

http://www.objects.com.au
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