[FIX] dhtmlx scheduler raises an exception when double clicking some of its dom elements.
[FIX] dhtmlx scheduler raises an exception when double clicking some of its dom elements.

MarkusTeufelberger/openerp-web,splbio/openerp-web,splbio/openerp-web,gisce/openerp-web,gisce/openerp-web,splbio/openerp-web,gisce/openerp-web,MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web