.cstm_scrollbar .viewport{height:480px;overflow-x:hidden;overflow-y:auto;position:relative;margin-bottom:10px;}
.cstm_scrollbar .viewport-spec{min-height:300px;max-height:480px;overflow-y:auto;position:relative;margin-bottom:10px;}
.cstm_scrollbar .overview{list-style:none;position:absolute;left:0;top:0;padding:0;margin:0;width:100%;}
.cstm_scrollbar .scrollbar{display:none;background:transparent url(../images/bg-scrollbar-track-y.png) no-repeat 0 0;position:relative;background-position:0 0;float:right;width:15px;}
.cstm_scrollbar .track{background:transparent url(../images/bg-scrollbar-trackend-y.png) no-repeat 0 100%;height:100%;width:13px;position:relative;padding:0 1px;}
.cstm_scrollbar .thumb{background:transparent url(../images/bg-scrollbar-thumb-y.png) no-repeat 50% 100%;height:20px;width:25px;cursor:pointer;overflow:hidden;position:absolute;top:0;left:-5px;}
.cstm_scrollbar .thumb .end{background:transparent url(../images/bg-scrollbar-thumb-y.png) no-repeat 50% 0;overflow:hidden;height:5px;width:25px;}
.cstm_scrollbar .disable{display:none;}