// 画像の事前読み込み
  var bgimg = new Array()
      bgimg[0] = new Image() ; bgimg[0].src = '/chikamichi/bot000.gif'
      bgimg[1] = new Image() ; bgimg[1].src = '/chikamichi/bot001.gif'
      bgimg[2] = new Image() ; bgimg[2].src = '/chikamichi/bot002.gif'
      bgimg[3] = new Image() ; bgimg[3].src = '/chikamichi/bot003.gif'
      bgimg[4] = new Image() ; bgimg[4].src = '/chikamichi/bot004.gif'
      bgimg[5] = new Image() ; bgimg[5].src = '/chikamichi/bot005.gif'
      bgimg[6] = new Image() ; bgimg[6].src = '/chikamichi/bot006.gif'
      bgimg[7] = new Image() ; bgimg[7].src = '/chikamichi/bot007.gif'
      bgimg[8] = new Image() ; bgimg[8].src = '/chikamichi/bot008.gif'
      bgimg[9] = new Image() ; bgimg[9].src = '/chikamichi/bot009.gif'


//表示
function ShowLayer_(layName){
	if(window.document.layers)document.layers[layName].display='block';
	if(window.document.all)document.all(layName).style.display='block';
	if(window.document.getElementById)document.getElementById(layName).style.display="block";
}

//非表示
function HideLayer_(layName){
	if(window.document.layers)document.layers[layName].display='none';
	if(window.document.all)document.all(layName).style.display='none';
	if(window.document.getElementById)document.getElementById(layName).style.display="none";
}
//全て非表示
function HideAll_(){
	HideLayer_('profile-open');
	HideLayer_('profile-close');
	HideLayer_('category-open');
	HideLayer_('category-close');
	HideLayer_('recent-open');
	HideLayer_('recent-close');
	HideLayer_('info-open');
	HideLayer_('info-close');
	HideLayer_('archive-open');
	HideLayer_('archive-close');
}