//メニュー展開
function changeText(title,List,imageNum){

var cookieName = title;
var title = document.getElementById(title);
var list = document.getElementById(List);
var image = title.style.backgroundImage;

    if(list.style.display=='none'){
		list.style.display='block';
		var cook = cookieName+'=1;path=/;';
		document.cookie = cook;
    }else if(list.style.display=='block'){
		list.style.display='none';
		var cook = cookieName+'=0;path=/;';
		document.cookie = cook;
    }
}
//メニュー展開ここまで