/// <reference path="MicrosoftAjax.debug.js" />
/// <reference path="MicrosoftAjaxWebForms.debug.js" />

var app = Sys.Application;

app.add_load(CollapseX);



function CollapseX() {

    var Nodes
    checkedNodes = 0;
    if (tree != null) {
        Nodes = tree.getNodes();
        if (Nodes != null) {
            for (var i = 0; i < Nodes.length; i++) {

                // expand all collapse all root nodes. true/false

                Nodes[i].setExpanded(false);
                var nodes
                nodes = Nodes[i].getChildNodes();
                if (nodes != null) {
                    for (var n = 0; n < nodes.length; n++) {

                        var rootNode = nodes[n];
                        checked = rootNode.getChecked();
                        if (checked) {
                            checkedNodes++;
                        }
                    }
                }
            }
        }
    }
    //CheckNodeX(null, null);
    var dropdown = $find("WebDropDown1");
    if (dropdown != null) {
        //Sets the text of the value display.
        dropdown.set_currentValue(checkedNodes + ' occupational areas selected', true);
    }
}