Answers for "change form action from jquery"

put form action jquery

$('#button1').click(function(){
   $('#formId').attr('action', 'page1');
});


$('#button2').click(function(){
   $('#formId').attr('action', 'page2');
});

change form action js

var frm = document.getElementById('search-theme-form') || null;
if(frm) {
   frm.action = 'whatever_you_need.ext' 
}