function seltab(bpref, hpref, id_max, selected) {
  if (! document.getElementById) return;
  for (i = 0; i <= id_max; i++) {
    if (! document.getElementById(bpref + i)) continue;
    if (i == selected) {
      document.getElementById(bpref + i).style.visibility = "visible";
      document.getElementById(bpref + i).style.position = "";
      document.getElementById(hpref + i).className = "open";
    } else {
      document.getElementById(bpref + i).style.visibility = "hidden";
      document.getElementById(bpref + i).style.position = "absolute";
      document.getElementById(hpref + i).className = "close";
    }
  }
}


/*********************************************************************************
*   Wedding events Window
*********************************************************************************/
function weddingevents(url) {
  window.open(url,'Weddingevents','width=1000,height=auto,scrollbars=no,resizable=no,status=no');
}

/*********************************************************************************
*   Wedding application Window
*********************************************************************************/
function weddingapplication(url) {
  window.open(url,'Weddingapplication','width=930,height=670,scrollbars=yes,resizable=no,status=no');
}


function ChangeTab(tabname) {
   // 全部消す
   document.getElementById('chapelwedding').style.display = 'none';
   document.getElementById('sougou').style.display = 'none';
   document.getElementById('bridal').style.display = 'none';
   document.getElementById('weekday').style.display = 'none';
   document.getElementById('premium').style.display = 'none';
   document.getElementById('private').style.display = 'none';
   document.getElementById('marugoto').style.display = 'none';
   document.getElementById('illuminations').style.display = 'none';
   document.getElementById('firstvisit').style.display = 'none';

   // 指定箇所のみ表示
   document.getElementById(tabname).style.display = 'block';
}