function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 openwin(url) {
window.open(url, '','left=50,top=50,width=660,height=420,status=no,scrollbars=yes,directories=no,menubar=no,resizable=yes,toolbar=no');
}

function openwin2(url) {
window.open(url, '_blank','left=50,top=50,width=800,height=600,status=no,scrollbars=yes,directories=no,menubar=no,resizable=yes,toolbar=no');
}

function openwin3(url) {
window.open(url, '','left=50,top=50,width=800,height=600,status=no,scrollbars=yes,directories=no,menubar=no,resizable=yes,toolbar=no');
}

function openwin4(url) {
window.open(url, '_blank','left=50,top=50,width=800,height=460,status=no,scrollbars=yes,directories=no,menubar=no,resizable=yes,toolbar=no');
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  subwin = window.open(theURL,winName,features);
  subwin.focus();
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

//	var preloadFlag = false;
//	function preloadImages(dir) {
//		if (document.images) {
//			menu_01_over = newImage(dir + "images/menu_01-over.gif");
//			menu_02_over = newImage(dir + "images/menu_02-over.gif");
//			menu_03_over = newImage(dir + "images/menu_03-over.gif");
//			menu_04_over = newImage(dir + "images/menu_04-over.gif");
//			menu_05_over = newImage(dir + "images/menu_05-over.gif");
//			menu_06_over = newImage(dir + "images/menu_06-over.gif");
//			preloadFlag = true;
//		}
//	}

	function changeMenuBtn(docmentID, num, sw) {
		if (document.images && (preloadBtn == true)) {
			document[docmentID].src = menu_btn[num - 1][sw].src;
		}
	}

preloadBtn = false;
function preloadMenuBtn(path, num, normalName, overName, onName) {
	if (document.images) {
		menu_btn = new Array();
		for (i = 0; i < num; i++){
			menu_btn[i] = new Array();
			menu_btn[i]["normal"] = newImage(path + (i + 1) + normalName);
			menu_btn[i]["over"] = newImage(path + (i + 1) + overName);
			menu_btn[i]["on"] = newImage(path + (i + 1) + onName);
		}
		
		preloadBtn = true;
	}
}

// アニメーションのクラス-----------------------------------
function anime(id, nameHdr, pictNum, nameEnd)
{
	//引数 -- documentプロパティ名、画像名の前半、枚数、画像名の後半、インターバルms

	this.pictNum = pictNum;
	this.pctsrc = new Array(this.pictNum);

	// Make pict names
	for (i = 0; i < this.pictNum; i++) {
		this.pctsrc[i] = nameHdr + (i + 1) + nameEnd;
	}
	
	var pos1;
	var pos2;
	var pos_bu;

	// Shuffle it!
	for (i = 0; i < 30; i++) {
		pos1 = Math.floor( Math.random() * this.pictNum )
		pos2 = Math.floor( Math.random() * this.pictNum )
		pos_bu = this.pctsrc[pos1];
		this.pctsrc[pos1] = this.pctsrc[pos2];
		this.pctsrc[pos2] = pos_bu;
	}

	this.countup = 0;
	this.id = id;
	this.draw = anime_draw;	// アニメーションを表示するメソッド
}


function anime_draw()	// アニメーションを表示するメソッド
{
	if(this.countup >= this.pictNum) {
		this.countup = 0;
	}
	eval("document." + this.id).src = this.pctsrc[this.countup];
	this.countup++;
}
// -----------------------------------