// JavaScript Document

function validaContacte()
{
	var nombre   = document.fContacte.nombre.value;
	var email    = document.fContacte.email.value;
	var consulta = document.fContacte.consulta.value;
	var error    = "";

	var arroba  = email.indexOf ( '@' );
	var ext     = email.indexOf ( '.' , arroba );

	var cadena1 = nombre.length;
	var cadena2 = email.length;
	var cadena3 = consulta.length;

	if ( nombre == "" )		{ error = error + "No has posat el teu nom. \n\n"; }
	if ( email  == "" )		{ error = error + "No has posat el teu e-mail. \n\n"; }
		else if ( arroba == "-1" )	{ error = error + "No hi ha arroba al teu e-mail. \n\n"; }
		else if ( ext    == "-1" )	{ error = error + "No hi ha extensio al teu e-mail. \n\n"; }
	if ( consulta == "" )	{ error = error + "No has escrit cap consulta. \n\n"; }

	if ( error == "" ) {
		if ( cadena1 <= 3 )		{ error = error + "Nom massa curt: 4 caracters minim \n\n"; }
		if ( cadena2 <= 9 )		{ error = error + "E-mail massa curt: 10 caracters minim \n\n"; }
		if ( cadena3 <= 19 )	{ error = error + "Consunta massa curta: 20 caracters minim \n\n"; }
	}

	if ( error != "" ) { alert ( error ); } else { document.fContacte.submit(); }
}