<script type="text/javascript">
  
  function call_ajax(param){
    
    // Note: You MUST Select `jQuery Production` From `Page` > `Common Attributes`.

    $.ajax({
      type: "GET",
       url: "YOUR_PAGE.php",
       data: { param1: param }
      })
    .done(function( msg ) {
      //
    });
    
    
  };
  
</script>