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function checkAllBoxs(){
var button=document.getElementById("button");
var boxs = document.getElementsByName("cb");
if(button.value=="ȫѡ"){
for(var i=0;i <boxs.length;i++){
boxs[i].checked=true;
}
button.value="È¡Ïû";
}
else if(button.value=="È¡Ïû"){
for(var i=0;i
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