function toggleList(whichList) {
	var targetList = document.getElementById('sub'+whichList);
	if (targetList.style.display == 'block') {
		targetList.style.display = 'none';
	} else {
		targetList.style.display = 'block';
	}
	
	if (whichList == 1) {
		document.getElementById('sub2').style.display = 'none';
		document.getElementById('sub3').style.display = 'none';
		document.getElementById('sub4').style.display = 'none';
		document.getElementById('sub5').style.display = 'none';
	}

	if (whichList == 2) {
		document.getElementById('sub1').style.display = 'none';
		document.getElementById('sub3').style.display = 'none';
		document.getElementById('sub4').style.display = 'none';
		document.getElementById('sub5').style.display = 'none';
	}
	if (whichList == 3) {
		document.getElementById('sub1').style.display = 'none';
		document.getElementById('sub2').style.display = 'none';
		document.getElementById('sub4').style.display = 'none';
		document.getElementById('sub5').style.display = 'none';
	}
	if (whichList == 4) {
		document.getElementById('sub1').style.display = 'none';
		document.getElementById('sub2').style.display = 'none';
		document.getElementById('sub3').style.display = 'none';
		document.getElementById('sub5').style.display = 'none';
	}
	if (whichList == 5) {
		document.getElementById('sub1').style.display = 'none';
		document.getElementById('sub2').style.display = 'none';
		document.getElementById('sub3').style.display = 'none';
		document.getElementById('sub4').style.display = 'none';
	}
}