<style> cssclass: background:url('test.png') no-repeat center center; cssclass1: background:url('test1.png') no-repeat center center;</style>
<select id="cc" class="easyui-combotree" data-options="url:'../tree/tree_data1.json'" multiple style="width:200px;"></select> <script>var nodes = $('#cc').tree('getChecked', 'indeterminate');</script>
$.messager.alert('Warning','The warning message').window({ width:300, height:300});