div.previewspace{
  float:left;
  width:190px;
  height:114px;
  margin:6px 10px;
}
ul.linkblock{
  margin:0px auto;
  height:200px;
}
ul.linkblock li{
  list-style-type:none;
  display:block;
  width:190px;
  float:left;      
  margin:6px 10px;
}
ul.linkblock a{
  display:block;
  width:190px;
  text-align:center;
  line-height:30px;

  border:1px solid #EEE;
  background:url(img/linkbackground.gif) no-repeat -1000px -1000px;
  
}
ul.linkblock a:hover{
  background:url(img/linkbackground.gif) no-repeat center center;
  border:1px solid #DDD;
}
ul.linkblock a div.preview{
  position:absolute;
  left:201px;
  top:175px;
  overflow:hidden;
  width:1px;
  height:1px;
}
ul.linkblock a:hover div.preview{
  width:190px;
  height:117px;
  border:1px solid #888;
}