if(document.images) {
 var imgs = new Array();
 imgs[0] = new Image();  imgs[0].src = "/common/img/n_honkan.gif";
 imgs[1] = new Image();  imgs[1].src = "/common/img/n_honkan_ov.gif";
 imgs[2] = new Image();  imgs[2].src = "/common/img/n_bekkan.gif";
 imgs[3] = new Image();  imgs[3].src = "/common/img/n_bekkan_ov.gif";
 imgs[4] = new Image();  imgs[4].src = "/common/img/n_sinkan.gif";
 imgs[5] = new Image();  imgs[5].src = "/common/img/n_sinkan_ov.gif";
 imgs[6] = new Image();  imgs[6].src = "/common/img/n_kasi.gif";
 imgs[7] = new Image();  imgs[7].src = "/common/img/n_kasi_ov.gif";
}

function chgimg(id, imgname) {
 if(document.images) {
  if(imgs[imgname]) {
    document.images[id].src = imgs[imgname].src;
  }
  else {
    document.images[id].src = imgname;
  }
 }
}

function openWin(URL,WW,HH,winName,SCRL) {
 newWin = window.open(URL,winName,'width=' + WW + ',height=' + HH + ',scrollbars=' + SCRL + ',status=no,toolbar=no,location=no,menubar=no,resizable=yes');
 newWin.focus();
}

//左メニューIE6対策
try { 
document.execCommand('BackgroundImageCache', false, true); 
} catch(e) {}