.treegrid-indent {width:16px; height: 100%; display: inline-block; position: relative;}

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

.treegrid-expander-expanded{background-image: url(../img/tree/minus.gif); background-repeat:no-repeat; }
.treegrid-expander-collapsed{background-image: url(../img/tree/plus.gif); background-repeat:no-repeat; }