//goodsの表示切替
var id_dvd = document.getElementById("dvdBox");
var id_cd = document.getElementById("cdBox");
var id_books = document.getElementById("booksBox");
var id_others = document.getElementById("othersBox");

function dvd() {
	id_dvd.style.display = "block";
	
	id_cd.style.display = "none";
	id_books.style.display = "none";
	id_others.style.display = "none";
}
function cd() {
	id_dvd.style.display = "none";
	
	id_cd.style.display = "block";
	
	id_books.style.display = "none";
	id_others.style.display = "none";
}
function books() {
	id_dvd.style.display = "none";
	id_cd.style.display = "none";
	
	id_books.style.display = "block";
	
	id_others.style.display = "none";
}
function others() {
	id_dvd.style.display = "none";
	id_cd.style.display = "none";
	id_books.style.display = "none";
	
	id_others.style.display = "block";
}
function goodsAll() {
	id_dvd.style.display = "block";
	id_cd.style.display = "block";
	id_books.style.display = "block";
	id_others.style.display = "block";
}

//classの置換
function classChange() {
	if (document.getElementById("storyTB")) {
		var		idJsTr_obj = document.getElementById("storyTB");
		var		idBtn_obj = document.getElementById("idBtn");
		
		if( (idJsTr_obj.className == "trackbackBoxDetail" ) || (idJsTr_obj.className == "trackbackBoxStory" )){
			if( idJsTr_obj.className == "trackbackBoxDetail" ){
				idJsTr_obj.className = "trackbackBoxStory";
				idBtn_obj.className = "btnClassChangeOn";
			}else {
				idJsTr_obj.className = "trackbackBoxDetail";
				idBtn_obj.className = "btnClassChangeOff";
			}
		} else { 
			if( idJsTr_obj.className == "trackbackBoxDetail" ){
				idJsTr_obj.className = "trackbackBoxStory";
				idBtn_obj.className = "btnClassChangeOn";
			}else {
				idJsTr_obj.className = "trackbackBoxDetail";
				idBtn_obj.className = "btnClassChangeOff";
			}
		}
	}
}

//referrer bgcolor change

if(document.getElementById("refAction")) {
	
	var num = document.referrer.lastIndexOf(".html");
	
	refURL = document.referrer.substr((num - 3), 3);
	
	id_name = "color" + refURL;	
	
	if(document.getElementById(id_name)) {
		document.getElementById(id_name).style.background = "#ff6195";	
	}
}