js实现权限树的更新权限时的全选全消功能

// JScript 文件 
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; 
} 
function setParentChecked(objNode) 
{ 
var objParentDiv = getParentByTagName(objNode,"div"); 
if(objParentDiv == null || objParentDiv == "undefined") 
return; 
var objID = objParentDiv.getAttribute("ID"); 
var objParentCheckBox = document.getElementById(objID.replace("Nodes","CheckBox")); 
if(objParentCheckBox == null || objParentCheckBox == "undefined") 
return; 
if(objParentCheckBox.tagName!="INPUT" && objParentCheckBox.type == "checkbox") 
return; 
//add 
// if (objNode.checked=false) objPraentCheckBox.checked=false; 
// objParentCheckBox.checked = true; 
setParentChecked(objParentCheckBox); 
} 
function setParentUnChecked(objNode) 
{ 
var objParentDiv = getParentByTagName(objNode,"div"); 
if(objParentDiv == null || objParentDiv == "undefined") 
return; 
var objID = objParentDiv.getAttribute("ID"); 
var objParentCheckBox = document.getElementById(objID.replace("Nodes","CheckBox")); 
if(objParentCheckBox == null || objParentCheckBox == "undefined") 
return; 
if(objParentCheckBox.tagName!="INPUT" && objParentCheckBox.type == "checkbox") 
return; 
//add 
// if (objNode.checked=false) objPraentCheckBox.checked=false; 
objParentCheckBox.checked = false; 
setParentUnChecked(objParentCheckBox); 
} 
function setChildCheckedState(div,state) 
{ 
var objchild = div.childNodes; 
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 = state; 
} 
// debugger; 
setChildCheckedState(tempObj,state); 
} 
} 
function TreeNodeChecked() 
{ 
var objNode = window.event.srcElement; 
if(objNode.tagName!="INPUT" || objNode.type!="checkbox") 
return; 
// debugger; 
if(objNode.checked == true) 
{ 
setParentChecked(objNode); 
} 
else 
{ 
setParentUnChecked(objNode); 
} 
var objID = objNode.getAttribute("ID"); 
var objParentDiv = document.getElementById(objID.replace("CheckBox","Nodes")); 
if(objParentDiv==null || typeof(objParentDiv) == "undefined") 
return; 
setChildCheckedState(objParentDiv,objNode.checked); 
} 
function SetTreeNodeChecked(objNode1) 
{ 
var objNode =objNode1; 
var objID = objNode.getAttribute("ID"); 
var objParentDiv = document.getElementById(objID.replace("CheckBox","Nodes")); 
if(objParentDiv==null || typeof(objParentDiv) == "undefined") 
return; 
setChildCheckedState(objParentDiv,objNode.checked); 
} 
function GetYHQS(id) 
{ 
PageMethods.CallYHQX(id,callsuccessed); 
} 
function callsuccessed(result) 
{ 
// //循环页面 
//debugger; 
for (i=0;i<document.form1.length ;i++) 
{ 
var objNode=document.form1.elements[i]; 
if (objNode.tagName=="INPUT" && objNode.type=="checkbox") 
{ 
objNode.checked=false; 
} 
} 
for (i=0;i<document.form1.length ;i++) 
{ 
var objNode=document.form1.elements[i]; 
if (objNode.tagName=="INPUT" && objNode.type=="checkbox") 
{ 
//找到 
//比较 
if (result.indexOf(objNode.title)!=-1) 
{ 
objNode.checked=true; 
SetTreeNodeChecked(objNode); 
} 
} 
} 
} 
function test() 
{ 
debugger; 
//循环页面 
for (i=0;i<document.form1.length ;i++) 
{ 
var objNode=document.form1.elements[i]; 
if (objNode.tagName=="INPUT" && objNode.type=="checkbox") 
{ 
//找到 
//比较 
objNode.checked=true; 
} 
} 
}