/* Rollover */

(function(onLoad) {
    try {
        window.addEventListener('load', onLoad, false);
    } catch (e) {
        window.attachEvent('onload', onLoad);
    }
})(function() {
    var over = function() { this.src = this.src.replace('_off.', '_on.'); };
    var out  = function() { this.src = this.src.replace('_on.', '_off.'); };
    var img = document.getElementsByTagName('img');
    for (var i = 0, l = img.length; i < l; i++) {
        if (!img[i].src.match(/_off\./)) continue;
        img[i].onmouseover = over;
        img[i].onmouseout  = out;
    }

});

/* PAGE SCROLL */

// Easingの追加
jQuery.easing.quart = function (x, t, b, c, d) {
	return -c * ((t=t/d-1)*t*t*t - 1) + b;
};

/*-------------------------------------
 ページ読み込み中
-------------------------------------*/
jQuery(document).ready(function(){

	//
	// <a href="#***">の場合、スクロール処理を追加
	//
	jQuery('a[href*=#]').click(function() {
		if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
			var $target = jQuery(this.hash);
			$target = $target.length && $target || jQuery('[name=' + this.hash.slice(1) +']');
			if ($target.length) {
				var targetOffset = $target.offset().top;
				jQuery('html,body').animate({ scrollTop: targetOffset }, 1200, 'quart');
				return false;
			}
		}
	});

});