var $j = jQuery.noConflict();
var counter = 5;

$j("document").ready(function() {
  if ($j("#submit_button")) {
    $j("#submit_button").attr("disabled", "1");
    $j("#submit_button").attr("value", counter);
    $j("#submit_button").addClass("disabled_submit");
    buttonCountdown();
  }
});

function buttonCountdown() {
  setTimeout(function() {
    if (counter == 1) {
      $j("#submit_button").attr("value", "Submit");
      $j("#submit_button").removeClass("disabled_submit");
      $j("#submit_button").removeAttr("disabled");
    }
    else {
      counter = counter - 1;
      $j("#submit_button").attr("value", counter);
      buttonCountdown();
    }
  }, 1000);
}