function int_js()
{
	for (var i=1;i<=8;i++)
		hideAnswer('a'+i);
}


function hideAnswer(answer) 
{ 
	var ans = document.getElementById(answer)
	if (document.getElementById) // DOM3 = IE5+ 
		ans.style.display = 'none'; 
	else
	{ 
		if (document.layers) // netscape 4 
			ans.display = 'none'; 
		else // IE 4 
			ans.style.display = 'none'; 
	} 
} 

			
function showAnswer(answer) 
{
	int_js()
	var ans = document.getElementById(answer)
	if (document.getElementById) // DOM3 = IE5+ 
		ans.style.display = 'block'; 
	else
	{ 
		if (document.layers) // netscape 4 
			ans.display = 'block'; 
		else // IE 4 
			ans.style.display = 'block'; 
	} 
} 


function handon(mm)
{
	mm.style.cursor = 'hand';
}