function changeRegion()
{
	var URL = document.getElementById('intro-select').value;
	if (URL == '0')
	return;
	document.location.href = URL;
}

var codeBlocks = [];
function toggleCodeBlock(id)
{
	if (codeBlocks[id])
	{
		document.getElementById(id).style.display = 'none';
		codeBlocks[id] = false;
	} else {
		document.getElementById(id).style.display = 'block';
		codeBlocks[id] = true;
	}
}