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function checkAll() {
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box = eval("document.checkboxform.C" + j);
if (box.checked == false) box.checked = true;
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box = eval("document.checkboxform.C" + j);
if (box.checked == true) box.checked = false;
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function switchAll() {
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box = eval("document.checkboxform.C" + j);
box.checked = !box.checked;
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