求js遍历treeview中节点的值

[HaiYang2006]

如题，遍历treeview中节点的值，并返回！

[liherun]

mark

[雷肿么了]

function OnTreeNodeChecked() 
{ 
    var ele = event.srcElement; 
    if(ele.type=='checkbox') 
    { 
        var childrenDivID = ele.id.replace('CheckBox','Nodes'); 
        var div = document.getElementById(childrenDivID); 
        if(div != null) 
        { 
            var checkBoxs = div.getElementsByTagName('INPUT'); 
            for(var i=0;i <checkBoxs.length;i++) 
            { 
                if(checkBoxs[i].type=='checkbox') 
                checkBoxs[i].checked=ele.checked; 
            } 
        } 
        else 
        { 
            var div = GetParentByTagName(ele,'DIV'); 
            var checkBoxs = div.getElementsByTagName('INPUT'); 
            var parentCheckBoxID = div.id.replace('Nodes','CheckBox'); 
            var parentCheckBox = document.getElementById(parentCheckBoxID); 
            for(var i=0;i <checkBoxs.length;i++) 
            { 
                if(checkBoxs[i].type=='checkbox' && checkBoxs[i].checked) 
                { 
                    parentCheckBox.checked = true; 
                    return; 
                } 
            } 
            parentCheckBox.checked = false; 
        } 
        
    } 
} 

function GetParentByTagName(element, tagName){ 
    var parent = element.parentNode; 
    var upperTagName = tagName.toUpperCase(); 
    while (parent && (parent.tagName.toUpperCase() != upperTagName)){ 
        parent = parent.parentNode ? parent.parentNode : parent.parentElement; 
    } 
    return parent; 
}