[IMP] Improve button click.
[IMP] Improve button click.

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extra : convert_revision : sma%40tinyerp.com-20110512134524-4p58f96itty4yu2i


havt/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web,akretion/openerp-web,havt/openerp-web,akretion/openerp-web