function agreeClicked()
{
	/* Do something */
}

function showMeClicked(id)
{
	var errorCode = -1;
	
	/* Get agree input (check) object */
	var agreeInputObj = document.all['agree'];
		
	if (agreeInputObj != null)
	{
		/* Get checked status */
		var checked = agreeInputObj.checked;
		
		if (checked == true)
		{
			/* Get show-me input (check) object */
			var showMeInputObj = document.all[id];
		
			if (showMeInputObj != null)
			{
				/* Get checked status */
				checked = showMeInputObj.checked;
				
				if (checked == true)
				{
					if (document.referrer != null)
					{
						/* Filter 'banned' URLs */
						var urlIndex = filterURLs(document.referrer);
						
						if (urlIndex == -1)
							errorCode = 0;
						else
							errorCode = -4;
					}
				}
				else
					errorCode = -3;
			}

			showMeInputObj = null;
		}
		else
			/* Error */
			errorCode = -2;
	}
	
	agreeInputObj = null;
	
	var valid = false;
	
	/* Error */

	if (errorCode == -1)
		window.alert('Error! There is a problem with this page. Please contact webmaster@noelchadwick.co.uk.');
	else if (errorCode == -2)
		window.alert('To view or download this video, please make sure that you read the Warning at the top of this page, and then - if you are in agreement - click the "I Agree" box.');
	else if (errorCode == -3)
		window.alert('To view or download this video, please click the "Show me the video" box below the thumbnail.');
	else if (errorCode == -4)
		window.alert('Sorry, this video is not available at the moment. Please try again later.');
	else
		valid = true;
	
	return valid;
}