//lightbox effect using css
		function hideDiv() 
		{
			if (document.getElementById) { // DOM3 = IE5, NS6 
		document.getElementById('hideshow').style.visibility = 'hidden'; 
		} 
		else { 
		if (document.layers) { // Netscape 4 
		document.hideshow.visibility = 'hidden'; 
		} 
		else { // IE 4 
		document.all.hideshow.style.visibility = 'hidden'; 
		} 
		}
		}
		
		function showDiv() { 
		if (document.getElementById) { // DOM3 = IE5, NS6 
		document.getElementById('hideshow').style.visibility = 'visible'; 
		} 
		else { 
		if (document.layers) { // Netscape 4 
		document.hideshow.visibility = 'visible'; 
		} 
		else { // IE 4 
		document.all.hideshow.style.visibility = 'visible'; 
		} 
		} 
		
		}