[JS] 버튼 하나로 On Off
<script type="text/javascript"> function Layer(onoff){ var lay=document.getElementById(onoff); if(lay.style.visibility=="hidden"){ lay.style.visibility="visible"; }else if(lay.style.visibility="visible"){ lay.style.visibility="hidden"; } } </script> <a href="#" onclick="javascritp:Layer('layer_pop');">layer</a> <div id="layer_pop" style="border:1px solid #000;width:500px;height:150px;visibility:hidden"></div>