Access client DOM id of current JSF component via an EL statement

Is it possible to access the client-side DOM id of a JSF component from within an EL statement?
For example:
<a4j:commandLink id="marketNameLink" action="#{testAction.myFunction( 'some how get client DOM id' )} />
I could use rich:clientId('marketNameLink'), except I think that this is a bit wasteful in processing time to search the complete DOM tree to access the id of the current component.
Any ideas?
Philip

EL are evaluted at server side and DOM id are generated for the client side
I advice you to read this article :
[http://balusc.blogspot.com/2009/05/javajspjsf-and-javascript.html|http://balusc.blogspot.com/2009/05/javajspjsf-and-javascript.html]
and also this on :
[http://weblogs.java.net/blog/2009/07/22/say-sayonara-spal|http://weblogs.java.net/blog/2009/07/22/say-sayonara-spal]

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