[javascript]
function checkAllViewable(bool){
var boxs = document.getElementsByName("viewables");
for (var i = 0; i < boxs.length; i++) {
if (boxs[i].type == "checkbox")
boxs[i].checked = bool;
}
}
[javascript]
<A href="javascript: checkAllViewable(true)">可見全選</A>
摘自 xinghui_liu的專欄