function show_contenue (id)
{
	if (document.getElementById(id).style.display == 'none')
	{
	document.getElementById(id).style.display = "block";
    }
}

function cache (id)
{

	if (document.getElementById(id).style.display == 'block')
	{
		document.getElementById(id).style.display = "none";
    }
}
function show_details (id)
{
	if (document.getElementById(id).style.display == 'none')
		document.getElementById(id).style.display = "block";
	else
		document.getElementById(id).style.display = "none";
}

function show_cache(id,num_id,nbr_id)
{
	if(document.getElementById(id+'-'+num_id).style.display == 'none')
	{var i=0;
	for(i=1;i<=nbr_id;i++)
		if(i!=num_id)
			cache (id+'-'+i);

	show_contenue(id+'-'+num_id);}
	else
		document.getElementById(id+'-'+num_id).style.display = 'none'
}