▁dropped ▁in ▁favor ▁of ▁the ▁visibility ▁parameter ▁with ▁the ▁visible ▁value , ▁similarly ▁hide ▁is ▁now ▁the ▁hidden ▁value ▁of ▁the ▁visibility ▁parameter . ▁ ▁< meta ▁http - equiv =" b atter y " ▁content =" left : 1 0 ; ▁top : 1 0 ; ▁color :# ff 0 0 0 0 ; ▁visibility : visible ;" ▁/> ▁ ▁Retrie ving ▁Information ▁Through ▁Events ▁ ▁Retrie ving ▁information ▁is ▁carried ▁out ▁by ▁specifying ▁a ▁callback ▁function ▁to ▁which ▁the ▁EM ML ▁browser ▁returns ▁information . ▁ ▁Typ ically , ▁M ET A ▁functions ▁which ▁return ▁information ▁were ▁named ▁as ▁the ▁module ▁name ▁followed ▁by ▁the ▁word ▁" n avig ate ". ▁ ▁The ▁callback ▁function ▁could ▁be ▁a ▁URL , ▁where ▁the ▁data ▁is ▁passed ▁as ▁named - value ▁pairs ▁in ▁the ▁query ▁string , ▁or ▁a ▁JavaScript ▁function ▁or ▁variable . ▁ ▁In ▁EM ML ▁ 1 . 0 ▁ ▁The ▁following ▁is ▁how ▁you ▁would ▁set ▁all ▁of ▁these ▁for ▁the ▁batter yn avig ate ▁function ▁in ▁EM ML ▁ 1 . 0 ▁ ▁Note : ▁all ▁of ▁these ▁methods ▁would ▁not ▁be ▁included ▁in ▁one ▁document , ▁they ▁are ▁included ▁here ▁as ▁an ▁example . ▁ ▁<!-- ▁A ▁call - back ▁to ▁a ▁URL ▁--> ▁< meta ▁http - equiv =" b atter yn avig ate " ▁content =" http :// my server / my page . html ? AC Line Status =% s & B atter y Life Percent =% s & Back up B atter y