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_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_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];}
}

function EncodeParams(list)
{
    var str="";
    $H(list).each(function (item,idx) {
        if(idx>0)
        {
	        str+="&";
        }
        str+=item.key+"="+encodeURIComponent(item.value);
    });
    
    return str;
}

// AJAX実行
function AjaxPost(url,params,onCompleteFunc)
{
	var request = new Ajax.Request(
	    url,
		{
			method: 'post',
			parameters: EncodeParams(params),
			onComplete: function(result)
			{
			    eval("res=$H("+result.responseText+");");
				onCompleteFunc(res);
			}
		});
}

//cookie操作用クラス一式
var _ClassCreate = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}
CookieManager = _ClassCreate.create();
CookieManager.prototype =
{
    BROWSER_IS_IE:
        (document.all
         && window.ActiveXObject
         && navigator.userAgent.toLowerCase().indexOf("msie") > -1
         && navigator.userAgent.toLowerCase().indexOf("opera") == -1),
    BROWSER_IS_OPERA:
        (navigator.userAgent.toLowerCase().indexOf("opera") != -1),

    initialize: function(options)
    {
        this.options =
        {
            shelfLife: 30*24*60*60,
            userData: false
        };
        options = this.options

        this.cookieShelfLife = options.shelfLife;
        this.userDataForIE = options.userData;

        if (this.BROWSER_IS_IE && this.userDataForIE)
        {
            this.IE_CACHE_NAME = "storage";
            if ($(this.IE_CACHE_NAME) == null)
            {
                var div = document.createElement("DIV");
                div.id = this.IE_CACHE_NAME;
                document.body.appendChild(div);
            }
            this.store = $(this.IE_CACHE_NAME);
            this.store.style.behavior = "url('#default#userData')";
        }
    },
    getCookie: function(aCookieName)
    {
        var result = null;
        if (this.BROWSER_IS_IE && this.userDataForIE)
        {
            this.store.load(this.IE_CACHE_NAME);
            result = this.store.getAttribute(aCookieName);
        }
        else
        {
            for (var i = 0; i < document.cookie.split('; ').length; i++)
            {
                var crumb = document.cookie.split('; ')[i].split('=');
                if (crumb[0] == aCookieName && crumb[1] != null)
                {
                    result = crumb[1];
                    break;
                }
            }
        }

        if (this.BROWSER_IS_OPERA && result != null)
        {
            result = result.replace(/%22/g, '"');
        }
        return result;
    },
    setCookie: function(aCookieName, aCookieValue)
    {
        if (this.BROWSER_IS_IE && this.userDataForIE)
        {
            this.store.setAttribute(aCookieName, aCookieValue);
            this.store.save(this.IE_CACHE_NAME);
        }
        else
        {
            if (this.BROWSER_IS_OPERA)
            {
                aCookieValue = aCookieValue.replace(/"/g, "%22");
            }
            var date = new Date();
            date.setTime(date.getTime() + (this.cookieShelfLife * 1000));
            var expires = '; expires=' + date.toGMTString();
            document.cookie = aCookieName + '=' + aCookieValue + expires + '; path=/';
        }
    }
}

// write cookie when queryString has prescribed parameter
function checkPN(){
	var cookieName = '_kf';
	var paramName = 'kf';
	
	var queryString = location.search;
	if(queryString == '') return;
	
	var c = new CookieManager();
	
	queryString = queryString.replace(RegExp('^\\?', 'i'), '');
	var paramArr = queryString.split('&');
	for(var i = 0; i < paramArr.length; i++){
		var p = paramArr[i].split('=');
		if(p[0] == paramName){
			c.setCookie(cookieName, p[1]);
		}
	}
}
checkPN();