Radio_button with onclick option

Hi i want to know to how to call contoller function when onclick occures
for radio button

i have used the syntax below but it is throwing error plz reply if there
is any solution

  <%= radio_button_tag "student", "report", false,
            options = {:id=>'student_report', :onclick

=>“javascript:$(‘report’).action= /user/lp_report” }%>

$(‘report’)=> it is the form id