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        function chkallclick() {
            for (i = 0; i < document.getElementsByName("chkDel").length; i++) {
                document.getElementsByName("chkDel")[i].checked = document.getElementById("chkAll").checked;
            }
        }


JScript code:


//È«²¿Ñ¡Ôñ
function CheckAll(TagName)
{
var ckName = TagName;
var el = document.getElementsByTagName("input");

var len = el.length;
for(var i=0; i<len; i++)
{
if((el[i].type=="checkbox") && (el[i].name==ckName))
{
el[i].checked = true;
}
}
}

//È«²¿È¡Ïû
function CleanAll(TagName)
{
var ckName = TagName;
var el = document.getElementsByTagName('input');
var len = el.length;
for(var i=0; i<len; i++)
{


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