function my_pop_photo(pageurl) 
	{
		popwin=window.open(pageurl,"popwin","scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=550,height=580");
		return false;
	}

	function my_pop_vr(pageurl) 
	{
		popwin=window.open(pageurl,"popwin","scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=600,height=495");
		return false;
	}

	function my_pop_conference(pageurl) 
	{
		popwin=window.open(pageurl,"popwin","scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=550,height=490");
		return false;
	}