.tuitbOverlay 	{z-index:100000; position:fixed; left:0; top:0; width:100%; height:100%; background:#fff; filter:alpha(opacity=60); opacity: 0.6;}
.tuitbCover		{z-index:100000; position:fixed; left:0; top:50px;}
.tuitbContent	{z-index:100000; position:fixed; left:0; top:50px; background:#fff; overflow:auto;}
.tuitbClose 	{z-index:100000; position:fixed; left:-1000px; top:0; cursor:pointer;}