.dialog-mask { filter: Alpha(Opacity=50); opacity: 0.5; background: #000; position: absolute; z-index: 8888; left: 0; top: 0; width: 100%; }
.dialog { background: url(../images/dialog/dia_bg.png) center center no-repeat; width: 600px; height: 430px; padding: 50px 0 0; }
.dialog .dialog_head { position: relative; margin-bottom: 20px; height: 30px; line-height: 30px; color: #222222; }
.dialog .close { position: absolute; width: 26px; height: 26px; right: 20px; top: 20px; background: url(../images/dialog/close.png) no-repeat;  }
.dialog .dialog_title { position: absolute; }
.dialog .dialog_h2 { margin-bottom: 20px; text-align: center; }
.mybacklayer { display: none; filter: Alpha(Opacity=50); opacity: 0.5; background: #000; position: absolute; z-index: 121; left: 0; top: 0; width: 100%; }