//立ち読み表示用スクリプト

//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_('tachiyomi');
	HideLayer_('opentac');
	HideLayer_('closetac');
}