function visible_change(){
	var intCookieIndex = document.cookie.indexOf("isp=nifty", 0);
	if(intCookieIndex < 0)
	{
		elms = document.getElementsByTagName("td");
		for(var i=0;i<elms.length;i++){
			if(elms[i].className == "invisible"){
				elms[i].style["display"] = "block";
			}
		}
	}
	
	var intCookieIndex = document.cookie.indexOf("isp=biglobe", 0);
	var intCookieIndex2 = document.cookie.indexOf("isRakuten=t", 0);
	if(intCookieIndex < 0 && intCookieIndex2 < 0)
	{
		elms = document.getElementsByTagName("div");
		for(var i=0;i<elms.length;i++){
			if(elms[i].className == "invisible_lv2"){
				elms[i].style["display"] = "block";
			}
		}
	}
	
}