[IMP] IE9 supports window.getSelection
[IMP] IE9 supports window.getSelection

remove IE <9 usage of document.selection as we don't support these browsers anyway
gisce/openerp-web,splbio/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web