function loadCookie(arg){ //argはデータ識別文字列
	if(arg){
		cookieData = document.cookie + ";" //文字列の最後に「;」を追加
		startPoint1 = cookieData.indexOf(arg);
		startPoint2 = cookieData.indexOf("=",startPoint1);
		endPoint = cookieData.indexOf(";",startPoint1);
		if(startPoint2 < endPoint && startPoint1 > -1){
			cookieData = cookieData.substring(startPoint2+1,endPoint);
			cookieData = cookieData;
			return cookieData;
			}
		else{
			//alert("!!!");
			}
		}
		return false;
	}

function setcookiedata(){
	xDay = new Date;
	xDay.setFullYear(xDay.getFullYear() + 1);
	xDay = xDay.toGMTString(); //GMT形式の文字列に変換
	document.cookie = "server="+document.select.server.value+";expires=" + xDay;
	document.cookie = "belong="+document.select.belong.value+";expires=" + xDay;
	document.cookie = "ami="+$('ami').style.visibility+";expires=" + xDay;
	serverold=document.select.server.value;
	belongold=document.select.belong.value;
	}