$(document).ready(function () {
            $('[id^=ContentPlaceHolder1_trv_FakBoln]').change(function () {
                AgacdaChkSecildimi();
                chkbul();
            });
        }); 
 

        function AgacdaChkSecildimi() {
            var kimetiklandi = window.event.srcElement;
            if (kimetiklandi.type == 'checkbox') {
                var cocuklarinolduguDIVIDsi = kimetiklandi.id.replace('CheckBox', 'Nodes');
                var div = document.getElementById(cocuklarinolduguDIVIDsi);
                if (div == null) return;
                var chks = div.getElementsByTagName('INPUT');
                for (var i = 0; i < chks.length; i++) {
                    if (chks[i].type == 'checkbox')
                        chks[i].checked = kimetiklandi.checked;
                }
            }
        }
 
 
  function chkbul() {
            var listemiz = "";
            var inputs = document.querySelectorAll("input[type='checkbox']");
            for (var i = 0; i < inputs.length; i++) {
                if (inputs[i].checked) {
                    var icIDsi = inputs[i].id.replace("CheckBox", "").replace("ContentPlaceHolder1_trv_FakBoln","ContentPlaceHolder1_trv_FakBolt");
                    listemiz += "- "+document.getElementById(icIDsi).innerHTML + "<br>";
                }
            }
            document.getElementById("div_secililer").innerHTML = listemiz;
        }
 
 
 
 
 
 
 
function GetSelectedNodes() {
        var selected = "";
        //Reference the TreeView.
        var tree = document.getElementById("<%=TreeView1.ClientID %>");
 
        //Reference the CheckBoxes in TreeView.
        var checkboxes = tree.getElementsByTagName("INPUT");
 
        //Loop through the CheckBoxes.
        for (var i = 0; i < checkboxes.length; i++) {
            //If CheckBox is checked.
            if (checkboxes[i].checked) {
                //Fetch the Text from the adjacent SPAN element.
                var text = checkboxes[i].nextSibling.innerHTML;
 
                //Fetch the Value from the Title(ToolTip) of CheckBox.
                var value = checkboxes[i].title;
                selected += text + " " + value + "\n";
            }
        }
 
        if (selected != "") {
            alert(selected);
        }
 
        return false;
    }