function on(n){
        document.images["irpuc"+n].src = "images/ir_puc0" + n + "a.jpg";
}
function off(n){
        document.images["irpuc"+n].src = "images/ir_puc0" + n + ".jpg";
}

//ポップアップウィンドウ
openwin = new Array() ;
function MM_openBrWindow(theURL,winName,features) { //v2.0
  own = winName ;
  openwin[own]=window.open(theURL,winName,features);
  openwin[own].focus();
}