How to Call a Parent Window Function from a Child Window of a Modal Dialog

 ----------- Parent View ---------------
<divid="Modal1" class="modal fade"></div>
<divid="Modal2" class="modal fade"></div>

<script language="JavaScript">
$(function(){
  $('#Modal1') .html(data);
  $('#Modal1').modal('show');
});
</script>

-------------------------------------------------------
<script language="JavaScript">
$(function(){
  $('#Modal2') .html(data);
  $('#Modal2').modal('show');

  initialize();

  function hoge(test){
    alert("I want to do this";
    $("#test").val(test);
    initialize();
  }

  function initialize() {
    // Initial processing
  }
});
</script>

-------------------------------------------------------
<script language="JavaScript">
$(function(){
  // I want to run the function of child window の
  hoge(1);
});
</script>