function showHideComments()
{
	try 
	{
		var id = document.getElementById('comments');
		if (id.style.display == '')
		{
			id.style.display = 'none';			
		}
		else
		{
			id.style.display = '';
		}
	}
	catch (e)
	{
		alert(e);
	}
}

function showPopUp(url, width, height)
{
	window.open(url,'name_'+height+"_"+width,'menubar=no,scrollbars=yes,width='+width+',height='+height);
}