function open_box ()
{

	document.getElementById('brochure').style.visibility="visible";
}

function close_box ()
{

	document.getElementById('brochure').style.visibility="hidden";

}

function open_beseen ()
{
	document.getElementById('beseen').style.visibility="visible";
}

function close_beseen ()
{
	document.getElementById('beseen').style.visibility="hidden";
}