function findCheckSave() {
  
  var beforeDeparture = "Are you sure you would like to abandon your changes?";
 
  $("form").submit(function() {
    $("form").removeClass('checkSave');
  });
  
  $(window).bind('beforeunload', function() {
	if($("form").hasClass('checkSave')) {
	  return beforeDeparture; 
	}
  });
  
}

$(document).ready(function() {findCheckSave();});