//スワップイメージ
function SwapImage(img) {
obj = document.getElementById("main-photo");
obj.src = img;
}

//リンクのスクロール
$(function() {
	$('a[href*=#box-]').click(function() {
		if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
			var target = $(this.hash);
			target = target.length && target;
			if (target.length) {
				var sclpos = 30;
				var scldurat = 1200;
				var targetOffset = target.offset().top - sclpos;
				$('html,body')
					.animate({scrollTop: targetOffset}, {duration: scldurat, easing: "easeOutExpo"});
				return false;
			}
		}
	});
});



//ロールオーバー
var preLoadImg = new Object();

function initRollOvers(){
	$("img.rollover").each(function(){
		var imgSrc = this.src;
		var sep = imgSrc.lastIndexOf('.');
		var onSrc = imgSrc.substr(0, sep) + '-on' + imgSrc.substr(sep, 4);
		preLoadImg[imgSrc] = new Image();
		preLoadImg[imgSrc].src = onSrc;
		$(this).hover(
			function() { this.src = onSrc; },
			function() { this.src = imgSrc; }
		);
	});
}
$(function(){
	initRollOvers();
});


//画像の半透明
function addEventHandler(selector, speed, opacityOut, opacityOver){
	$(selector).fadeTo(speed, opacityOut);
	
	$(selector).mouseover(function(event){
		$(this).fadeTo(speed, opacityOver);
	});
	
	$(selector).mouseout(function(event){
		$(this).fadeTo(speed, opacityOut);
	});
}

$(document).ready(function(){
	var selector = "img.opacity";
	var speed = "fast";	//"slow", "normal" ,"fast" の指定。または数値1とか　1=1/1000秒 数字の場合は " なし
	var opacityOut = 1;
	var opacityOver = 0.7;
	addEventHandler(selector, speed, opacityOut, opacityOver);
});