// JavaScript Document

function aopen(openname) 
{
	var box = document.getElementById(openname).style;
	
		if(box.visibility == 'hidden')
		{
		box.visibility ='visible';
		}
	
}
function aclose(openname) 
{
	var box = document.getElementById(openname).style;
		
		if(box.visibility == 'visible')
		{
		box.visibility ='hidden';
		}
		
}