ul {margin:0px; padding-left:0px;}
li {margin:0px; padding-left:0px;}
.tree * {margin:0; padding:0;}
.tree li {list-style:none; padding-left:21px; margin-top:2px;}
.tree li.root {padding-left:0;}
    .tree li li {}
	.tree li li.root {padding-left:10px; }
	.tree li li.root.last {background:none;}
    .tree li li.last {}
.expand {background:url(plusMinus.gif) no-repeat; width:16px; _width:13px; height:16px; display:block; float:left; margin-top:2px; padding:0 5px 0 0; text-indent:-9999px; line-height:0; font-size:0; vertical-align:middle;}
.contract {background-position:0 -16px;}
.expand:hover {cursor:pointer;}