/* 配列処理関数 */
function arrayPush(arr,val){
	var num = arr.length;
	arr[num] = val;
	return arr;
}
/* onload処理オブジェクト */
function class_onloadlib(){
	this.onloadFunc = new Array();
	this.addFunc = addFunc;
	this.exec = exec;
	this.completed = false;
	
	function addFunc(fn){
		this.onloadFunc = arrayPush(this.onloadFunc, fn);
	}
	function exec(){
		for(var i = 0; i < this.onloadFunc.length; i++) {
			eval(this.onloadFunc[i]);
		}
		this.completed = true;
	}
}
var onload_obj = new class_onloadlib();
// onloadに関数を追加
function onload_add(fn){
	onload_obj.addFunc(fn);
}
function onload_exec(fn){
	onload_obj.exec();
}
window.onload = onload_exec;

// 外部URLを別のウィンドウやタブで開く
function externalLink(){
	var conf = {
		className:'externalLink'
	};
	var isMSIE = /*@cc_on!@*/false;
	var anchorList = document.getElementsByTagName('a');
	
	if(isMSIE)	{
	    for (var i=0, len=anchorList.length; i<len; i++){
			var a = anchorList[i];
			a.className = conf.className;
			a.onclick = function (){
				window.open(this.getAttribute('href',2), '_blank');
				return false;
			}
		}
	} else {
		for (var i=0, len=anchorList.length; i<len; i++){
			var a = anchorList[i];
		    a.className = conf.className;
			a.onclick = function (){
				window.open(this.getAttribute('href'), '_blank');
				return false;
			}
		}
	}
	function urlList(url) {
		var r = /^(([^:/?#]+):)?(\/\/([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?/;
		var a = r.exec (url);
	
		return a;
		// var url = 'http://example.com/path/to/file?query#fragment';
		// a[2]; 'http'
		// a[4]; 'example.com'
		// a[5]; '/path/to/file'
		// a[7]; 'query'
		// a[9]; 'fragment'
	}
	function gotoTop() {
		var c = {
			easing:100,
			step:30,
			fps:80
		};
		c.ms = Math.floor(1000/c.fps);
		var timerId;
		var param = {
			stepCount:0,
			startY:0,
			endY:0,
			lastY:0
		}
		function move() {
			if (param.stepCount == c.step) {
				// scroll_end
				window.scrollTo(getCurrentX(), param.endY);
			} else if (param.lastY == getCurrentY()) {
				// scroll
				param.stepCount++;
				window.scrollTo(getCurrentX(), getEasingY());
				param.lastY = getEasingY();
				timerId = setTimeout(move, c.ms);
			}
		}
		function getCurrentX() {
			return document.body.scrollLeft || document.documentElement.scrollLeft;
		}
		function getCurrentY() {
			return document.body.scrollTop || document.documentElement.scrollTop;
		}
		function getEasingY() {
			return Math.floor(getEasing(param.startY, param.endY, param.stepCount, c.step, c.easing));
		}
		function getEasing(start, end, stepCount, step, easing) {
			var s = stepCount / step;
			return (end - start) * (s + easing / (100 * Math.PI) * Math.sin(Math.PI * s)) + start;
		}
		clearTimeout(timerId);
		param.stepCount = 0;
		param.startY = param.lastY = getCurrentY();
		timerId = setTimeout(move, c.ms);
	}
}
onload_add('externalLink();');

function initRollOvers() {
    if (!document.getElementById){
        return;
    }
   
    var preLoads = new Array();
    var allImages = document.getElementsByTagName('img');
 
    for (var i = 0; i < allImages.length; i++) {       
        if (allImages[i].className == 'rollover') {
            var src = allImages[i].getAttribute('src');
            var ftype = src.substring(src.lastIndexOf('.'), src.length);
            var oSrc = src.replace(ftype, '_on'+ftype);
 
            //-- スワップ元、スワップ先画像の登録
            allImages[i].setAttribute('pSrc', src);
            allImages[i].setAttribute('oSrc', oSrc);
 
            //-- イメージのプリロード
            preLoads[i] = new Image();
            preLoads[i].src = oSrc;
 
            //-- イベントの設定
            allImages[i].onmouseover = function() {
                this.setAttribute('src', this.getAttribute('oSrc'));
            }
            allImages[i].onmouseout = function() {
                this.setAttribute('src', this.getAttribute('pSrc'));
            }
        }
    }
}
onload_add('initRollOvers();');

function ddMenu(ddmenu) {
	var m = document.getElementById(ddmenu);
	if(m.style.display == 'none') {
		m.style.display = 'block';
	} else if(m.style.display == 'block') {
		m.style.display = 'none';
	}
	return false;
}
function dummy() {
	return false;
}