//ジャンプメニュー
function menujs(){
var URL = document.menu.menuitem.options
[document.menu.menuitem.selectedIndex].value;
if (URL != "none") {
window.location.href = URL
}
}



// 画像のロールオーバー

(function() {
  if (!document.getElementsByTagName) return;

  var addEvent, switchImage, init;
  addEvent = function(obj, type, func) {
    if (obj.addEventListener) {
      obj.addEventListener(type, func, false);
    }
    else if (obj.attachEvent) {
      obj.attachEvent('on' + type, func);
    }
  };
  switchImage = function(event) {
    var img = event.target || event.srcElement;
    img.src = (img.src == img.srcOff) ? img.srcOn : img.srcOff;
  };
  init = function() {
    var imgs = document.getElementsByTagName('img');
    var loaded = {}, img;
    for (var i = 0, len = imgs.length; i < len; i++) {
      img = imgs[i];
      if ( !img.src.match(/^(.*_)off(\..*)$/) ) continue;
      img.srcOff = img.src;
      img.srcOn = RegExp.$1 + 'on' + RegExp.$2;
      addEvent(img, 'mouseover', switchImage);
      addEvent(img, 'mouseout', switchImage);
      if (loaded[img.srcOn]) continue;
      loaded[img.srcOn] = true;
      (new Image).src = img.srcOn;
    }
  };

  addEvent(window, 'load', init);
})();


//スワップイメージ
<!--
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_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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->