function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  var win=window.open(theURL,winName,features);
  win.focus();
}


function smartOver() {
	smartRollover('wrap');
}
function smartRollover(idName) {
	if(document.getElementsByTagName) {
		var images = document.getElementById(idName).getElementsByTagName("img");
		for(var i=0; i < images.length; i++) {

			if(images[i].getAttribute("src").match(/_off\./))
			{
			fileName = new Array(images[i].getAttribute("src").replace("_off.", "_on."));
			preImages = new Array();
			for (j=0; j<fileName.length; j++)
			{
				preImages[j] = new Image();
				preImages[j].src = fileName[j];		//「_on」の画像をプリロード
			}

				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));	//マウスオーバーで_off→_on
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));	//マウスが離れたら_on→_off
				}
			}
		}
	}
}
if(window.addEventListener) {
	window.addEventListener("load", smartOver, false);	//実行
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartOver);
}
else{
	window.onload = smartOver;
}