<style>
p {
width: 100px;
height: 20px;
background: black;
}
</style>
<div id="div">
<p data-turn="turn=1"></p>
<p data-turn="turn=2"></p>
<p data-turn="turn=3"></p>
<p data-turn="turn=4"></p>
<p data-turn="turn=5"></p>
</div>
<script>
document.getElementById('div').addEventListener('click', fn, false);
function fn (e) {
var data = e.target.getAttribute('data-turn');
if(data) alert(data);
// вместо alert поставишь $.get("index.php", data, myCallback,"json");
}
</script>