// JavaScript Document


$(document).ready(function(){
	
	$product_num = $('#product_num').text();
	
	$url = "../comments/comment_form.php";

	
	$.get($url,
       {z:"1",prod_id:$product_num},
       function(returned_data)
         {
//		 	alert(returned_data);
		 	if(returned_data.length != 3)
				returned_data = returned_data + ".0";       	 		
				$rating = returned_data;
//				$rating = "0.0";
				$rating_text = $rating + " stars!";
			 $pos = starSprite($rating);
//			 alert($rating);
			 $('#r_stars').css('background-position', $pos + " 0px");
			 if($rating == "0.0"){
			 	$('#rating_text').text("Not Yet Rated!");
			 }else{
			 	$('#rating_text').text($rating_text);
			 }			 
         }); 	
});	


function starSprite($rating){
	switch ($rating){
		case "0.5": $pos = "-20px"; break;
		case "1.0": $pos = "-40px"; break;
		case "1.5": $pos = "-60px"; break;
		case "2.0": $pos = "-80px"; break;
		case "2.5": $pos = "-100px"; break;
		case "3.0": $pos = "-120px"; break;
		case "3.5": $pos = "-140px"; break;
		case "4.0": $pos = "-160px"; break;
		case "4.5": $pos = "-180px"; break;
		case "5.0": $pos = "-200px"; break;
		default:    $pos =  "0px"; break;
	}
	return $pos;
}