[Fix]fix browser issue of converting jquery dom to string.
[Fix]fix browser issue of converting jquery dom to string.

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