// JavaScript Document

//ナビゲーションロールオーバー
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, '_act'+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'));
			}
		}
	}
}

function addOnload(func){
	if ( typeof window.addEventListener != "undefined" ){
		window.addEventListener( "load", func, false );
	}else if ( typeof window.attachEvent != "undefined" ) {
		window.attachEvent( "onload", func );
	}else{
		if ( window.onload != null ){
			var oldOnload = window.onload;
			window.onload = function ( e ) {
			oldOnload( e );
			window[func]();
		};
	}else
		window.onload = func;
	}
}
addOnload(initRollOvers);


//ページトップ
function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}


//スライド開閉
$(document).ready(function(){

	$(".toggle_container").hide();

	$("h4.trigger").toggle(function(){
		$(this).addClass("active");
		}, function () {
		$(this).removeClass("active");
	});

	$("h4.trigger").click(function(){
		$(this).next(".toggle_container").slideToggle("slow,");
	});

});