.treegrid-indent {
  width: 16px; 
  height: 16px; 
  display: inline-block; 
  position: relative;
}

.treegrid-expander {
  width:16px; 
  height: 16px; 
  display: inline-block; 
  position: relative; 
  top: 4px;
  cursor: pointer;
}

.treegrid-expander-expanded {
  background-image: url(../images/jquery_treegrid/collapse.png); 
}

.treegrid-expander-collapsed{
  background-image: url(../images/jquery_treegrid/expand.png);
}