// active.js
Event.observe(window, 'load', activeCate, false);

function activeCate () {
var bodyID = document.getElementsByTagName("body")[0].id;

if (bodyID == "green") {setGreen();}
if (bodyID == "koshu") {setKoshu();}
if (bodyID == "daiju") {setDaiju();}
if (bodyID == "tanka") {setTanka();}
if (bodyID == "result") {setResult();}
if (bodyID == "schoolhouse") {setSchoolhouse();}
if (bodyID == "event") {setEvent();}

}

function setGreen () {
	var gnListGreen = $('gnGreen').getElementsByTagName("img")[0];
	gnListGreen.setAttribute("src", gnListGreen.getAttribute("src").replace("_off.", "_active."));
}
function setKoshu () {
	var gnListKoshu = $('gnKoshu').getElementsByTagName("img")[0];
	gnListKoshu.setAttribute("src", gnListKoshu.getAttribute("src").replace("_off.", "_active."));
}
function setDaiju () {
	var gnListDaiju = $('gnDaiju').getElementsByTagName("img")[0];
	gnListDaiju.setAttribute("src", gnListDaiju.getAttribute("src").replace("_off.", "_active."));
}
function setTanka () {
	var gnListTanka = $('gnTanka').getElementsByTagName("img")[0];
	gnListTanka.setAttribute("src", gnListTanka.getAttribute("src").replace("_off.", "_active."));
}
function setResult () {
	var gnListResult = $('gnResult').getElementsByTagName("img")[0];
	gnListResult.setAttribute("src", gnListResult.getAttribute("src").replace("_off.", "_active."));
}
function setSchoolhouse () {
	var gnListSchoolhouse = $('gnSchoolhouse').getElementsByTagName("img")[0];
	gnListSchoolhouse.setAttribute("src", gnListSchoolhouse.getAttribute("src").replace("_off.", "_active."));
}
function setEvent () {
	var gnListEvent = $('gnEvent').getElementsByTagName("img")[0];
	gnListEvent.setAttribute("src", gnListEvent.getAttribute("src").replace("_off.", "_active."));
}