http://code.tutsplus.com/tutorials/how-to-submit-a-form-with-control-enter--net-20966

submit_form_ctrl_enter.js

$.fn.ctrlEnter = function (btns, fn) {

  var thiz = $(this); 
      btns = $(btns);

  function performAction (e) {
    fn.call(thiz, e);
  }

  thiz.bind("keydown", function (e) {
    if (e.keyCode === 13 && e.ctrlKey) {
      performAction(e);
      e.preventDefault();
    }
  });
   
  btns.bind("click", performAction);
  
};