function countLetters(id, length)
{
	var numchars = document.getElementById(id).value.length;
	var numleft = length - numchars;
	var message = "";
	if(numleft == -1)
	{
		message = '(' + Math.abs(numleft) + ' character over!)';
	}
	else if(numleft < 0)
	{
		message = '(' + Math.abs(numleft) + ' characters over!)';
	}
	else if(numleft == 1)
	{
		message = '(' + Math.abs(numleft) + ' character left)';
	}
	else
	{
		message = '(' + Math.abs(numleft) + ' characters left)';
	}
	document.getElementById('countdown-comments').innerHTML = message;
}