https://secure.fsbwever.com/WebResource.axd?d=SGP6v3nmUoJD99EclL8w…it74PKGENbYqwQgQzvV1g2&t=639239589420000000

1function OlbCascadingCheckBoxTree(ControlID, PropageteDown, PropageteUp) {
2    var ParentControl = document.getElementById(ControlID);
3    if (PropageteDown == null) PropageteDown = true;
4    if (PropageteUp == null) PropageteUp = true;
5    Initialize();
6
7    function Initialize() {
8        var ChildChkBoxes = ParentControl.getElementsByTagName("input");
9        for (var i = 0; i < ChildChkBoxes.length; i++) {
10            var Chk = ChildChkBoxes[i];
11            if (Chk.type == "checkbox") {
12                CheckUncheckParents(Chk, Chk.checked);
13                if (Chk.checked) {
14                    PropagateToChildren(Chk);
15                }
16            }
17        }
18    }
19
20    jQuery("#" + ControlID).click(
21        function() {
22            var Src = window.event != window.undefined ? window.event.srcElement : evt.target;
23            if (Src.tagName.toLowerCase() == "input" && Src.type == "checkbox") { //It's a checkbox
24                PropagateToChildren(Src);
25                CheckUncheckParents(Src, Src.checked);
26            }
27        }
28    );
29
30    function PropagateToChildren(Chk) {
31        if (!PropageteDown) return;
32
33        var ParentTable = GetParentByTagName("table", Chk);
34        var NextSibling = ParentTable.nextSibling;
35        if (NextSibling && NextSibling.nodeType == 1) { //The next sibling is not null & is an element node
36            if (NextSibling.tagName.toLowerCase() == "div") { //The node has children
37                //check or uncheck children at all levels
38                CheckUncheckChildren(NextSibling, Chk.checked);
39            }
40        }
41    }
42
43    function CheckUncheckChildren(ChildContainer, Check) {
44        var ChildChkBoxes = ChildContainer.getElementsByTagName("input");
45        for (var i = 0; i < ChildChkBoxes.length; i++) {
46            ChildChkBoxes[i].checked = Check;
47        }
48    }
49
50    function CheckUncheckParents(SourceChild, Check)
51    {
52        if (!PropageteUp) return;
53
54        var ParentDiv = GetParentByTagName("div", SourceChild);
55        var ParentNodeTable = ParentDiv.previousSibling;
56
57        if (ParentNodeTable){
58            if(Check && !AreAllSiblingsChecked(SourceChild)) { //Nothing needs changed
59                return
60            }
61
62            var inpElemsInParentTable = ParentNodeTable.getElementsByTagName("input");
63            if (inpElemsInParentTable.length > 0){
64                var ParentNodeChkBox = inpElemsInParentTable[0]; 
65                ParentNodeChkBox.checked = Check; 
66                //Do the same recursively
67                CheckUncheckParents(ParentNodeChkBox, Check);
68            }
69        }
70    }
71
72    function AreAllSiblingsChecked(ChkBox) {
73        var ParentDiv = GetParentByTagName("div", ChkBox);
74        var ChildCount = ParentDiv.childNodes.length;
75        for(var i=0; i < ChildCount; i++){
76            if(ParentDiv.childNodes[i].nodeType == 1){ //The child node is an element node
77                if(ParentDiv.childNodes[i].tagName.toLowerCase() == "table"){
78                    var prevChkBox = ParentDiv.childNodes[i].getElementsByTagName("input")[0];
79                    //If any of sibling nodes are not checked, return false
80                    if(!prevChkBox.checked){
81                        return false;
82                    }
83                }
84            }
85        }
86        return true;
87    }
88
89    function GetParentByTagName(ParentTagName, ChildElementObj) {
90        var Parent = ChildElementObj.parentNode;
91        while (Parent.tagName.toLowerCase() != ParentTagName.toLowerCase())
92        {
93            Parent = Parent.parentNode;
94        }
95        return Parent;
96        
97    }
98}