/*
	--------------------------------
	更新日: 2009-08-13
	--------------------------------
*/



/* --------------------------------
	サイトルート
-------------------------------- */

var siteRoot = getSiteRoot('global/js/base.js');

function getSiteRoot(path) {
	var elms = document.getElementsByTagName('script');
	for (var i = elms.length - 1; i >= 0; i--) {
		if (new RegExp(path + '([\?].*|$)').test(elms[i].src)) return elms[i].src.split(path)[0];
	}
	return false;
}



/* --------------------------------
	UX
-------------------------------- */

$(function() {
	ux.init();
});

var ux = {
	init: function() {
		this.rollover('.rollover', '_ov', '_ov');
		this.scroller.init();
	},

	// ロールオーバー
	rollover: function(target, hover, active, focus) {
		$(target).each(function() {
			var isActive = active && new RegExp(active + '(\.gif|\.jpg|\.png)([\?].*|$)').test(this.src);
			if (isActive && !focus) return;
			this.src.match('(\.gif|\.jpg|\.png)([\?].*|$)');
			var ext = RegExp.$1;
			var search = (isActive && focus) ? active + ext : ext;
			var replace = (isActive && focus) ? focus + ext : hover + ext;
			var out = this.src;
			var over = this.src.replace(search, replace);
	
			// プレロード
			new Image().src = over;
	
			// イベントの追加
			$(this).bind('mouseout', function() {
				this.src = out;
			}).bind('mouseover', function() {
				this.src = over;
			});
		});
	},

	// スクローラー
	scroller: {
		// 設定
		conf: {
			pitch: 10,
			interval: 10
		},

		// 初期化
		init: function(conf) {
			var self = this;
			var temp = this.conf;
			for (var key in conf) temp[key] = conf[key];
			this.conf = temp;
			$('a[href^="#"]').each(function() {
				if (!this.hash || this.hash == '#') return;
				$(this).click(function(e) {
					e.preventDefault();
					this.blur();
					self.scroll(this.hash);
				});
			});
		},

		// スクロール
		scroll: function(id) {
			if (this.timer) clearInterval(this.timer);
			var self = this;
			var pitch = this.conf.pitch;
			var interval = this.conf.interval;
			var top = $(id).offset().top;
			var win = window;
			var $win = $(win);
			var scrollLeft = $win.scrollLeft();
			var limit = $(document).height() - $win.height();
			if (limit < 0) limit = 0;
			if (top > limit) top = limit;
			var dir = (top > $win.scrollTop()) ? 1 : -1;
			var math = (dir > 0) ? Math.ceil : Math.floor;
			top = math(top);
			this.timer = setInterval(function() {
				var scrollTop = $win.scrollTop();
				if (scrollTop == top) {
					clearInterval(self.timer);
					return;
				}
				scrollTop += math((top - scrollTop) / pitch);
				if (dir > 0 && scrollTop > top || dir < 0 && scrollTop < top) scrollTop = top;
				win.scrollTo(scrollLeft, scrollTop);
			}, interval);
		}
	}
}



/* --------------------------------
	MM_Behavior
-------------------------------- */

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}