function checkAll(item) {
	for (var m=1; m<=6; m++) {
		box = eval("document.frmFormMail." + item + "0" + m);
		box.checked = true;
	}
}

function uncheckAll(item) {
	for (var m=1; m<=6; m++) {
		box = eval("document.frmFormMail." + item + "0" + m);
		box.checked = false;
	}
}