function show_tutorial() {
    var e = document.getElementById("sette-semp-img");
	var f = document.getElementById("mostra_tutorial");
	var g = document.getElementById("hide_tutorial");
	var h = document.getElementById("bannerpaypal");
    if (e.style.visibility == 'visible') {
        e.style.visibility = 'hidden';
        e.style.display = 'none';	
		f.style.visibility = 'visible';
	    f.style.display = 'inline';
		g.style.visibility = 'hidden';
        g.style.display = 'none';
		h.style.visibility = 'visible';
        h.style.display = 'block';	
    } else {
		e.style.visibility = 'visible';
        e.style.display = 'block';
		e.style.margin = '1em 0 0 0';
		f.style.visibility = 'hidden';
        f.style.display = 'none';
		g.style.visibility = 'visible';
	    g.style.display = 'inline';
		h.style.visibility = 'hidden';
        h.style.display = 'none';    
    }
}

function show_ricerca() {
	var aa = document.getElementById("ric-avanzata");
	var bb = document.getElementById("ric-semplice");
	
	if (aa.style.visibility == 'visible') {
		aa.style.visibility = 'hidden';
        aa.style.display = 'none';
		bb.style.visibility = 'visible';
        bb.style.display = 'block';
		document.getElementById("data_in_ric_g").value="1";
		document.getElementById("data_in_ric_m").value="1";
		document.getElementById("data_in_ric_a").value="2000";
		document.getElementById("data_out_ric_g").value="31";
		document.getElementById("data_out_ric_m").value="12";
		document.getElementById("data_out_ric_a").value="2030";
		document.getElementById("categoria").value="0";									
	} else {
		aa.style.visibility = 'visible';
        aa.style.display = 'block';
		bb.style.visibility = 'hidden';
        bb.style.display = 'none';	
	}
}