var hideTimeout; function showLayerMask(){ $layerMask = $(".layerMask"); if($layerMask.length == 0){ var div = ""; var width = document.body.clientWidth; var Height = document.body.scrollHeight; var img = ""; div = "
"; div = img; div = "
"; var $body = $("body"); $body.prepend(div); } $layerMask.show(); //1分鐘後取消 hideTimeout = setTimeout(hideLayerMask,60000); } function hideLayerMask(){ if(hideTimeout != null){