function checkLoginData(obj, value)
{
	if( obj.value == value )
		obj.value = '';
	return true;
}

function checkLoginEmpty(obj, value)
{
	if( obj.value == '' )
		obj.value = value;
	return true;
}

function checkadvancedsubmit()
{
	if($('adv_action').value == "search")
	{
		$('advancedsearchform').submit();
		return;
	}

	$('adv_action').value = "refresh";
	
	
	request = new Ajax.Updater('advancedsearch', '/catalogo.html', {
	  method: 'get', parameters: { action: 'refresh', area: $F('adv_area'), collana: $F('adv_collana'), annopubblicazione: $F('adv_annopubblicazione') }
	});
	
}

function checkshopsubmit()
{
	request = new Ajax.Updater('s_localita', '/negozi.html', {
	  method: 'post', parameters: { action: 'refresh', s_provincia: $F('s_provincia') }
	});
	
}

function checkcampaignshopsubmit()
{
	request = new Ajax.Updater('s_localita', '/puntivendita.php', {
	  method: 'post', parameters: { action: 'refresh', s_provincia: $F('s_provincia'), id: $F('id') }
	});
	
}