function showCommentBox()
{
	
	if(document.getElementById('commentForm').style.display == 'block')
	{
		document.getElementById('commentForm').style.display = 'none';
		document.getElementById('commentList').style.height = '250px';
	}
	else if(document.getElementById('commentForm').style.display == 'none')
	{
		document.getElementById('commentList').style.height = '150px';
		document.getElementById('commentForm').style.display = 'block';
	}
	
}