// Copyright e-Cats SRL Allrights Reserved.
function hide(hid){
	var set = '';
	for(i=1;i<=3;i++){
		set = 'n'+i;
		if (set != hid) document.getElementById(set).style.display = "none";
	}
	document.getElementById(hid).style.display = (document.getElementById(hid).style.display == "none") ? "" : "none";
}