//プルダウンメニュー//
function MenuOn(x){ 
	obj=document.getElementById("submenu" + x).style.visibility="visible";
}

function MenuOff(x){ 
	obj=document.getElementById("submenu" + x).style.visibility="hidden"; 
}

<!--
var w = window;
function funcWin(theURL,wSize,hSize) {
if ((w == window) || w.closed) {
features = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,left=0,top=0," + wSize + "," + hSize;
w = open(theURL,"winFunc",features);
w.focus();
} else {
window.w.location = theURL;
w.focus();
}
}

function PopIt(theURL,wSize,hSize) {
	if ((w == window) || w.closed) {
		features = "toolbar=yes,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,left=0,top=0," + wSize + "," + hSize;
		w = open(theURL,"PopIt",features);
		w.focus();
	} else {
		window.w.location = theURL;
		w.focus();
	}
}

function rollover( _image , _imagepath )
{
eval( "document." + _image + ".src='" + _imagepath + "';" );
}
// -->
<!--
function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}
function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {
btn_01_over = newImage('../btn/01bt_o.gif');
btn_02_over = newImage('../btn/02bt_o.gif');
btn_03_over = newImage('../btn/03bt_o.gif');
btn_04_over = newImage('../btn/04bt_o.gif');

btn_05_over = newImage('../btn/00related_bt_o.gif');
btn_06_over = newImage('../btn/01related_bt_o.gif');
btn_07_over = newImage('../btn/02related_bt_o.gif');


btn_11_over = newImage('btn/07prd_img_b_1.gif');
btn_12_over = newImage('btn/07prd_img_b_2.gif');
btn_13_over = newImage('btn/0800_img_o.gif');
btn_14_over = newImage('btn/0801_img_o.gif');

btn_15_over = newImage('img/gojyu_b_o.gif');
preloadFlag = true;
}
}

preloadImages();

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];}
}
//-->