.ztree li span.button.ico_open{width:1px;margin-right:0px; background: url() no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
			.ztree li span.button.ico_close{width:1px;margin-right:0px; background: url() no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
			.ztree li span.button.ico_docu{width:1px;margin-right:0px; background: url() no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
			
			.ztree li {
    			padding-top:5px;
    			padding-bottom:5px;
    			padding-left:5px;
    			padding-right:0;
    			margin-top: 5px;
    			margin-bottom:5px;
    			list-style: none;
    			line-height: 14px;
    			text-align: left;
    			white-space: nowrap;
    			outline: 0;
			}
			.ztree li span{
				float:left;
			}
			.ztree li a {
				border: 1px solid #dae2ea;
				background-color:#f8faff;
    			padding: 1px 3px 0 0;
    			margin: 0;
    			cursor: pointer;
    			height: 17px;
   				color: #333;
    			text-decoration: none;
    			vertical-align: top;
                display: block;
			}
			.ztree li a:hover{
			background-color:#f4f6f7;
			text-decoration: none;
			}
			.ztree li a.curSelectedNode {  
 		  	 opacity: 1;
			}
			.ztree li span.button.chk {
			    width: 13px;
			    height: 13px;
			    margin: 3px 3px 0 0;
			    cursor: auto;
			}