// 一定期間New/Upマークを表示する
function newUp(y, m, d, c) {
delDay = 7; // 何日後に削除するか
oldDay = new Date(y + "/" + m + "/" +d);
newDay = new Date();
d =(newDay - oldDay) / (1000 * 24 * 3600);
if(d <= delDay) {
// Newマーク
if(c == "new") document.write("new");
}
}


//ロールオーバースクリプト
function smartRollover() {
if(document.getElementsByTagName) {
var images = document.getElementsByTagName("img");

for(var i=0; i < images.length; i++) {
if(images[i].getAttribute("src").match("_off."))
{
images[i].onmouseover = function() {
this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
}
images[i].onmouseout = function() {
this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
}
}
}
}
}

if(window.addEventListener) {
window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
window.attachEvent("onload", smartRollover);
}

//ツリーメニュー
function exMenu(tName)
{
tMenu = document.getElementById(tName).style;
if (tMenu.display == 'none')
{
tMenu.display = "block";
}else{
tMenu.display = "none";
}
}