function submitRating(number){
	var url = 'rating.php';
	var img = new Image();
	var field = document.getElementById("StarRatingValue");

	for (i=1; i<=5; i++){
		img = document.getElementById("RatingStar"+i);
		if ( i <= number )
		img.src = starImageURL;
		if ( i > number )
		img.src = dotImageURL;
	}

	if(url){
		var msec = (new Date()).getTime();
		new Ajax.Request(url, {
			method: "post",
			parameters: "cache="+msec+"&rate="+number+"&id="+movieId,
			onSuccess:function(httpObj){
				var res = httpObj.responseText;
				if(res == 'OK'){
					$("retingMess").innerHTML = "評価を受け付けました！";
					$("stars").innerHTML = getStars(number);
				}else{
					$("retingMess").innerHTML = "この動画は評価済みです";
					$("stars").innerHTML = getStars(number);
				}
			
			},
			onFailure:function(httpObj){
				$("retingMess").innerHTML = "エラーで読み込めませんでした";
			}
		});
	}
}

function mouseStarStepIn(number){
	for (i=1; i<=5; i++){
		img = document.getElementById("RatingStar"+i);
		if ( i <= number )
		img.src = starRiseImageURL;
		else
		img.src = dotImageURL;
	}
	$("retingMess").innerHTML = "星"+number+"つ";
}

function mouseStarStepOut(number){
	for (i=1; i<=5; i++){
		img = document.getElementById("RatingStar"+i);
		img.src = starFallImageURL;
		if ( i <= savedStarRating )
		img.src = starImageURL;
		else if ( i <= number )
		img.src = starFallImageURL;
		else
		img.src = dotImageURL;
	}
	$("retingMess").innerHTML = "この動画を評価する";
}

function getStars(number){
	var stars = '';
	for (i=1; i<=5; i++){
		if(i <= number){
			stars = stars+'<img class="rating" id="RatingStar'+i+'" src="'+starRiseImageURL+'" />';
		}else{
			stars = stars+'<img class="rating" id="RatingStar'+i+'" src="'+starFallImageURL+'" />';
		}
	}
	return stars;
}