function getChange(value, target1, target2, target3) {
	if(value.checked == true) {
		if(target1) {
			document.form1.elements[target1].checked = true;
		}
		if(target2) {
			document.form1.elements[target2].checked = true;
		}
		if(target3) {
			document.form1.elements[target3].checked = true;
		}
	}

	if(value.checked == false) {
		if(target1) {
			document.form1.elements[target1].checked = false;
		}
		if(target2) {
			document.form1.elements[target2].checked = false;
		}
		if(target3) {
			document.form1.elements[target3].checked = false;
		}
	}
}

function getChangeSub(value, target) {
	if(value.checked == false) {
		document.form1.elements[target].checked = false;
	}
	
	if(value.checked == true) {
		flg = true
		for(i = 1; i < 4; i++) {
			if(document.form1.elements[target + "_" + i]) {
				if(document.form1.elements[target + "_" + i].checked == false) {
					flg = false;
				}
			}
		}
		
		if(flg == true) {
			document.form1.elements[target].checked = true;
		}
	}
}