function rotate(id) {
	if (document.getElementById) {
		document.getElementById('rotateA').style.display = 'none';
		document.getElementById('rotateB').style.display = 'none';
		document.getElementById('rotateC').style.display = 'none';
		document.getElementById('rotateD').style.display = 'none';
		document.getElementById('rotateE').style.display = 'none';
		document.getElementById('rotateF').style.display = 'none';
		document.getElementById('rotateG').style.display = 'none';
		document.getElementById('rotateH').style.display = 'none';
		document.getElementById('rotateI').style.display = 'none';
		document.getElementById('rotateJ').style.display = 'none';
		
		switch(id) {
			case 1:
				document.getElementById('rotateA').style.display = 'block';
				break;
			case 2:
				document.getElementById('rotateB').style.display = 'block';
				break;
			case 3:
				document.getElementById('rotateC').style.display = 'block';
				break;
			case 4:
				document.getElementById('rotateD').style.display = 'block';
				break;
			case 5:
				document.getElementById('rotateE').style.display = 'block';
				break;
			case 6:
				document.getElementById('rotateF').style.display = 'block';
				break;
			case 7:
				document.getElementById('rotateG').style.display = 'block';
				break;
			case 8:
				document.getElementById('rotateH').style.display = 'block';
				break;
			case 9:
				document.getElementById('rotateI').style.display = 'block';
				break;
			case 10:
				document.getElementById('rotateJ').style.display = 'block';
				break;
		}
	}
}

function expand(id) {
	var plus = "plus_" + id;
	var minus = "minus_" + id;
	var detail = "detail_" + id;
	document.getElementById(plus).style.display = 'none';
	document.getElementById(minus).style.display = 'block';
	document.getElementById(detail).style.display = 'block';
}

function collapse(id) {
	var plus = "plus_" + id;
	var minus = "minus_" + id;
	var detail = "detail_" + id;
	document.getElementById(plus).style.display = 'block';
	document.getElementById(minus).style.display = 'none';
	document.getElementById(detail).style.display = 'none';
}