function viewDetailedMainCategory(value) {
	for (var i = 1; document.getElementById('block'+i); i++) {
		for (var j = 1; document.getElementById('block'+i+'-'+j); j++) {
			for (var k = 1; document.getElementById('block'+i+'-'+j+'-'+k); k++) {
				document.getElementById('block'+i+'-'+j+'-'+k).style.display = 'none';
				if (document.getElementById('spanimage'+i+'-'+j+'-'+k)) {
					document.getElementById('spanimage'+i+'-'+j+'-'+k).src = 'media/common_images/3d_plus.gif';
				}
			}
			document.getElementById('block'+i+'-'+j).style.display = 'none';
			if (document.getElementById('spanimage'+i+'-'+j)) {
				document.getElementById('spanimage'+i+'-'+j).src = 'media/common_images/3d_plus.gif';
			}
		}
		if (i != value) {
			document.getElementById('block'+i).style.display = 'none';
			if (document.getElementById('spanimage'+i)) {
				document.getElementById('spanimage'+i).src = 'media/common_images/3d_plus.gif';
			}
		}
	}
	if (document.getElementById('block'+value).style.display == 'block') {
		document.getElementById('block'+value).style.display = 'none';
		if (document.getElementById('spanimage'+value)) {
			document.getElementById('spanimage'+value).src = 'media/common_images/3d_plus.gif';
		}
	} else {
		for (var i = 1; document.getElementById('block'+i); i++) {
			document.getElementById('block'+i).style.display = 'none';
			if (document.getElementById('spanimage'+i)) {
				document.getElementById('spanimage'+i).src = 'media/common_images/3d_plus.gif';
			}
		}
		document.getElementById('block'+value).style.display = 'block';
		if (document.getElementById('spanimage'+value)) {
			document.getElementById('spanimage'+value).src = 'media/common_images/3d_up.gif';
		}
	}
}

function viewDetailedMiddleCategory(main, middle) {
	for (var j = 1; document.getElementById('block'+main+'-'+j); j++) {
		for (var k = 1; document.getElementById('block'+main+'-'+j+'-'+k); k++) {
			document.getElementById('block'+main+'-'+j+'-'+k).style.display = 'none';
			if (document.getElementById('spanimage'+main+'-'+j+'-'+k)) {
				document.getElementById('spanimage'+main+'-'+j+'-'+k).src = 'media/common_images/3d_plus.gif';
			}
		}
		if (j != middle) {
			document.getElementById('block'+main+'-'+j).style.display = 'none';
			if (document.getElementById('spanimage'+main+'-'+j)) {
				document.getElementById('spanimage'+main+'-'+j).src = 'media/common_images/3d_plus.gif';
			}
		}
	}
	if (document.getElementById('block'+main+'-'+middle).style.display == 'block') {
		document.getElementById('block'+main+'-'+middle).style.display = 'none';
		if (document.getElementById('spanimage'+main+'-'+middle)) {
			document.getElementById('spanimage'+main+'-'+middle).src = 'media/common_images/3d_plus.gif';
		}
	} else {
		for (var i = 1; document.getElementById('block'+main+'-'+i); i++) {
			if (document.getElementById('block'+main+'-'+i)) {
				document.getElementById('block'+main+'-'+i).style.display = 'none';
				if (document.getElementById('spanimage'+main+'-'+i)) {
					document.getElementById('spanimage'+main+'-'+i).src = 'media/common_images/3d_plus.gif';
				}
			}
		}
		document.getElementById('block'+main+'-'+middle).style.display = 'block';
		if (document.getElementById('spanimage'+main+'-'+middle)) {
			document.getElementById('spanimage'+main+'-'+middle).src = 'media/common_images/3d_up.gif';
		}
	}
}
function viewDetailedSubCategory(main, middle, sub) {
	for (var j = 1; document.getElementById('block'+main+'-'+middle+'-'+j); j++) {
		if (j != sub) {
			document.getElementById('block'+main+'-'+middle+'-'+j).style.display = 'none';
			if (document.getElementById('spanimage'+main+'-'+middle+'-'+j)) {
				document.getElementById('spanimage'+main+'-'+middle+'-'+j).src = 'media/common_images/3d_plus.gif';
			}
		}
	}
	if (document.getElementById('block'+main+'-'+middle+'-'+sub).style.display == 'block') {
		document.getElementById('block'+main+'-'+middle+'-'+sub).style.display = 'none';
		if (document.getElementById('spanimage'+main+'-'+middle+'-'+sub)) {
			document.getElementById('spanimage'+main+'-'+middle+'-'+sub).src = 'media/common_images/3d_plus.gif';
		}
	} else {
		for (var i = 1; document.getElementById('block'+main+'-'+middle+'-'+i); i++) {
			if (document.getElementById('block'+main+'-'+middle+'-'+i)) {
				document.getElementById('block'+main+'-'+middle+'-'+i).style.display = 'none';
				if (document.getElementById('spanimage'+main+'-'+middle+'-'+i)) {
					document.getElementById('spanimage'+main+'-'+middle+'-'+i).src = 'media/common_images/3d_plus.gif';
				}
			}
		}
		document.getElementById('block'+main+'-'+middle+'-'+sub).style.display = 'block';
		if (document.getElementById('spanimage'+main+'-'+middle+'-'+sub)) {
			document.getElementById('spanimage'+main+'-'+middle+'-'+sub).src = 'media/common_images/3d_up.gif';
		}
	}
}

function expandAll() {
	for (var i = 1; document.getElementById('block'+i); i++) {
		for (var j = 1; document.getElementById('block'+i+'-'+j); j++) {
			for (var k = 1; document.getElementById('block'+i+'-'+j+'-'+k); k++) {
				document.getElementById('block'+i+'-'+j+'-'+k).style.display = 'block';
				if (document.getElementById('spanimage'+i+'-'+j+'-'+k)) {
					document.getElementById('spanimage'+i+'-'+j+'-'+k).src = 'media/common_images/3d_up.gif';
				}
			}
			document.getElementById('block'+i+'-'+j).style.display = 'block';
			if (document.getElementById('spanimage'+i+'-'+j)) {
				document.getElementById('spanimage'+i+'-'+j).src = 'media/common_images/3d_up.gif';
			}
		}
		document.getElementById('block'+i).style.display = 'block';
		if (document.getElementById('spanimage'+i)) {
			document.getElementById('spanimage'+i).src = 'media/common_images/3d_up.gif';
		}
	}
}

function closeAll() {
	for (var i = 1; document.getElementById('block'+i); i++) {
		for (var j = 1; document.getElementById('block'+i+'-'+j); j++) {
			for (var k = 1; document.getElementById('block'+i+'-'+j+'-'+k); k++) {
				document.getElementById('block'+i+'-'+j+'-'+k).style.display = 'none';
				if (document.getElementById('spanimage'+i+'-'+j+'-'+k)) {
					document.getElementById('spanimage'+i+'-'+j+'-'+k).src = 'media/common_images/3d_plus.gif';
				}
			}
			document.getElementById('block'+i+'-'+j).style.display = 'none';
			if (document.getElementById('spanimage'+i+'-'+j)) {
				document.getElementById('spanimage'+i+'-'+j).src = 'media/common_images/3d_plus.gif';
			}
		}
		document.getElementById('block'+i).style.display = 'none';
		if (document.getElementById('spanimage'+i)) {
			document.getElementById('spanimage'+i).src = 'media/common_images/3d_plus.gif';
		}
	}
}