function public_GetParentByTagName(element, tagName) 
{
    var parent = element.parentNode;
    var upperTagName = tagName.toUpperCase();
    //如果這個(gè)元素還不是想要的tag就繼續(xù)上溯
    while (parent && (parent.tagName.toUpperCase() != upperTagName)) 
    {
        parent = parent.parentNode ? parent.parentNode : parent.parentElement;
    }
    return parent;
}
//設(shè)置節(jié)點(diǎn)的父節(jié)點(diǎn)Cheched——該節(jié)點(diǎn)可訪問(wèn)，則他的父節(jié)點(diǎn)也必能訪問(wèn)
function setParentChecked(objNode)
{ 
    var objParentDiv = public_GetParentByTagName(objNode,"div");
    if(objParentDiv==null || objParentDiv == "undefined")
    {
        return;
    }
    var objID = objParentDiv.getAttribute("ID");
    objID = objID.substring(0,objID.indexOf("Nodes"));
    objID = objID+"CheckBox";
    var objParentCheckBox = document.getElementById(objID);
    if(objParentCheckBox==null || objParentCheckBox == "undefined")
    {
        return;
    } 
    if(objParentCheckBox.tagName!="INPUT" && objParentCheckBox.type == "checkbox")
    return; 
    objParentCheckBox.checked = true;
    setParentChecked(objParentCheckBox);
}
//設(shè)置節(jié)點(diǎn)的子節(jié)點(diǎn)uncheched——該節(jié)點(diǎn)不可訪問(wèn)，則他的子節(jié)點(diǎn)也不能訪問(wèn)
function setChildUnChecked(divID)
{ 
    var objchild = divID.children;
    var count = objchild.length; 
    for(var i=0;i<objchild.length;i++)
    {
        var tempObj = objchild[i];
        if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
        {
            tempObj.checked = false;
        }
        setChildUnChecked(tempObj); 
    }
}
//設(shè)置節(jié)點(diǎn)的子節(jié)點(diǎn)cheched——該節(jié)點(diǎn)可以訪問(wèn)，則他的子節(jié)點(diǎn)也都能訪問(wèn)
function setChildChecked(divID)
{ 
    var objchild = divID.children;
    var count = objchild.length; 
    for(var i=0;i<objchild.length;i++)
    {
        var tempObj = objchild[i];
        if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
        {
            tempObj.checked = true;
        }
        setChildChecked(tempObj); 
    }
}
//觸發(fā)事件
function CheckEvent()
{
    var objNode = event.srcElement; 
    if(objNode.tagName!="INPUT" || objNode.type!="checkbox")
    return;
    if(objNode.checked==true)
    {
        setParentChecked(objNode);
        var objID = objNode.getAttribute("ID");
        var objID = objID.substring(0,objID.indexOf("CheckBox")); 
        var objParentDiv = document.getElementById(objID+"Nodes");
        if(objParentDiv==null || objParentDiv == "undefined")
        {
            return;
        } 
        setChildChecked(objParentDiv);
    }
    else
    {
        var objID = objNode.getAttribute("ID");
        var objID = objID.substring(0,objID.indexOf("CheckBox")); 
        var objParentDiv = document.getElementById(objID+"Nodes");
        if(objParentDiv==null || objParentDiv == "undefined")
        {
            return;
        } 
        setChildUnChecked(objParentDiv);
    }
}

this.tvPrivilege.Attributes.Add("OnClick", "CheckEvent()");