// ==================================================
// js/fold.js
// last update: 2010-06-04 18:44:20 daiki
// ==================================================

function el(e) { return document.getElementById(e); }

function foldOpen(i){
    el(i).style.display = "block";
    b = i + 'link'
    el(b).innerHTML = "<a href=\"javascript:foldClose('"+i+"')\">[-] Close</a>"
}

function foldClose(i){
    el(i).style.display = "none";
    b = i + 'link'
    el(b).innerHTML = "<a href=\"javascript:foldOpen('"+i+"')\">[+] Open</a>"
}