<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="jquery.js"></script>
<script type="text/javascript">
function post()
{
$.post("test.php", { action: "Hello, world!", method: "get" },function(data){
*!*document.open();*/!*
document.write ("Полученные данные: " + data);
*!*document.close()*/!*
});
}
</script>
<a href='#' onClick="post()">qwerty</a>