<head>
<script type="text/javascript">
function sndReq(pagina,variabili,div){
}
</script>
</head>

<body>
<script type="text/javascript">

sndReq('valoriVariantiAjax.html','10---4---5','loaderVariante');

</script>
</body>

Continuo a non capire completamente la domanda