function condHidePresPara()
{
	var paragraph;
	var queryStr = window.location.search;

	if (queryStr)
	{
		var re = /showUid%/;
		var issetGetVar = queryStr.search(re);	
		
		if (issetGetVar > -1) 
		{
			if (paragraph = document.getElementById('pres_para'))
				paragraph.style.display = 'none';
		}
	}

	if (paragraph = document.getElementById('pres_para'))
	{
		if (!paragraph.firstChild)
			paragraph.style.display = 'none';
	}
}