function submit_rating(id,rating)
{
	$.ajax({
	   type: "POST",
	   url: "../ajax/store_rating.php",
	   data: "id="+id+"&rating="+rating,
	   success: function(msg){
	   		if (msg != "already rated") document.getElementById("rating_image_"+id).src = "../img/rating_"+get_rating_code(msg)+".png";
	   }
	 });	
}

// Return rating code
function get_rating_code(rating)
{
	if (rating > 4.75) return 5;
	if (rating > 4.25) return 45;
	if (rating > 3.75) return 4;
	if (rating > 3.25) return 35;
	if (rating > 2.75) return 3;
	if (rating > 2.25) return 25;
	if (rating > 1.75) return 2;
	if (rating > 1.25) return 15;
	if (rating > 0) return 1;
	return 0;
}