function chgCursor(style)
{
	document.body.style.cursor = style;
}

function ChangeGenre(item)
{

document.getElementById('g1').style.display="none";
document.getElementById('g2').style.display="none";

document.getElementById(item).style.display="block";

}
function ChangeVenue(item)
{

document.getElementById('v1').style.display="none";
document.getElementById('v2').style.display="none";

document.getElementById(item).style.display="block";

}
function ChangeNews(item)
{

document.getElementById('n1').style.display="none";
document.getElementById('n2').style.display="none";

document.getElementById(item).style.display="block";

}
function ChangeFriends(item)
{

document.getElementById('f1').style.display="none";
document.getElementById('f2').style.display="none";

document.getElementById(item).style.display="block";

}

function validate_comment(item)
{
	var $e_mail;
	var $name;
	var $comment;
	var $response;
	var $errors;

	$e_mail=item.email_address.value;
	$name=item.name.value;
	$comment=item.comment.value;

	$response="Errors:- ";
	$errors=0;

	if (isEmpty($e_mail) )
	{
		$errors+=1;
		$response+="\nEmail address not completed";
	}

	if (! isEmail($e_mail) )
	{
		if ($errors!=0)
		{
			$response+=", ";
		}
		$errors+=1;
		$response+="\nEmail address not entered correctly";
	}

	
	if (isEmpty($name) )
	{

		if ($errors!=0)
		{
			$response+=", ";
		}

		$response+="\nName not entered";
		$errors+=1;
	}
	if (isEmpty($comment) )
	{

		if ($errors!=0)
		{
			$response+=", ";
		}

		$response+="\nMessage not added";
		$errors+=1;
	}

	if ($errors==0)
	{
//		alert ("OK");
		return true;
	}
	else
	{
		$response+="\n\n\nPlease correct and resubmit.";
		
		alert ($response);
		return false;
	}

}