function loadProvince()
{
	document.myform.Z_prov.options.length = 0;
	for (c in p)
	{
		var o = new Option();
		o.text = c;
		o.value = c;
		document.myform.Z_prov.options[document.myform.Z_prov.options.length] = o;
	}
}

function loadComuni(prov)
{
	var com = p[prov];
	document.myform.Z_citta.options.length = 0;
	for (k = 0; k < com.length; k++)
	{
		var o = new Option();
		o.text = com[k].substring(5,com[k].length);
		o.value = com[k].substring(5,com[k].length);
		o.ID = com[k].substring(0,5);
		document.myform.Z_citta.options[document.myform.Z_citta.options.length] = o;
	}
	loadCap();
}

function loadCap()
{
	document.myform.Z_cap.value = document.myform.Z_citta.options[document.myform.Z_citta.options.selectedIndex].ID;
}

function caricaTutto()
{
	loadProvince();
	loadComuni(document.myform.Z_prov.value);
	loadCap();
}