js 全选 全不选

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<input name='chkAll' type='checkbox' id='chkAll' onclick='CheckAll(this.form)' value='checkbox'>

function CheckAll(form){

for (var i=0;i<form.elements.length;i++){

var e = form.elements[i];

if (e.Name != 'chkAll'&&e.disabled==false)

e.checked = form.chkAll.checked;

}

}