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Waiting window in JSF/Richfaces/Ajax

Srikanth Madasu
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Posts: 48
Eclipse IDE Hibernate Spring
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When I make a call to a webservice, as this is going to take some time, i want to display a waiting window while it is being processed.. Is there any way displaying a waiting window in richfaces or Ajax...

I am thinking to use rich:modalpanel in <a4j:support> tag attributes onstart
and onstop for opening a closing a popup respectively while a request is being processed. But I am not sure how to use them.

Anyone please help....

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