#contents .teacher .img0{position:absolute;left:0px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img0.png) 0 0 no-repeat;opacity:0;}
#contents .teacher .img1{position:absolute;left:20px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img01_03.png) 0 0 no-repeat;opacity:0;}

#contents .teacher .materialIndex {position:absolute;left:140px;top:0px;width:85px;height:32px;background:url(../../img/skin/B11/material.png) 0px 0px no-repeat;}
#contents .teacher .materialIndex:hover{background-position-y:-32px}

#contents .teacher1 .img0{position:absolute;left:0px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img0.png) 0 0 no-repeat;opacity:0;}
#contents .teacher1 .img1{position:absolute;left:-20px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img01_01.png) 0 0 no-repeat;opacity:0;}

#contents .teacher2 .img0{position:absolute;left:0px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img0.png) 0 0 no-repeat;opacity:0;}
#contents .teacher2 .img1{position:absolute;left:-20px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img01_02.png) 0 0 no-repeat;opacity:0;}

#contents .teacher3 .img0{position:absolute;left:0px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img0.png) 0 0 no-repeat;opacity:0;}
#contents .teacher3 .img1{position:absolute;left:-20px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img01_03.png) 0 0 no-repeat;opacity:0;}

#contents .teacher4 .img0{position:absolute;left:0px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img0.png) 0 0 no-repeat;opacity:0;}
#contents .teacher4 .img1{position:absolute;left:-20px;top:0px;width:960px;height:540px;background:url(../../img/skin/TE04/img01_04.png) 0 0 no-repeat;opacity:0;}