jQuery.noConflict();//与JSF搭配需要这句话，不然会有冲突

　　jQuery(document).ready(function() {

　　// Add click event listener to each checkbox in the tree page

　　// Note! Using this simple selector assumes that there are no other

　　// checkboxes on the page, if there are other checkboxes then

　　// selector should be changed

　　jQuery(":checkbox").click(function(){

　　updateChildren(this);

　　updateParent(this);

　　});

　　});

　　</script>

　　<script type="text/javascript">

　　function updateChildren(currentCheckBox)

　　{

　　// Get state of current checkbox (true or false)

　　var state = currentCheckBox.checked;

　　// Get parent TABLE, where current checkbox is places

　　var parentTables = jQuery(currentCheckBox).parents("table");

　　var parentTable = parentTables[0];

　　// Get DIV where child nodes with checkboxes are situated

　　// See http://docs.jquery.com/Traversing/ to get better uderstanding of

　　// parents() and next()

　　var childDivs = jQuery(parentTable).next("div");

　　if(    childDivs.length > 0 )

　　{

　　var childDiv = childDivs[0];

　　// Iterate over all child nodes checkboxes and set same state as the

　　// current checkbox state

　　jQuery(childDiv).contents().find(":checkbox").each(function() {

　　this.checked = state;

　　});

　　}

　　}