function obtenerExpReg( e ) {
	var ExpRegCSS = /[\%\=\*<>\\]/ig
	var ExpRegAceptaSoloNumeros = /[^a-z\s\b\0áéíóúäëïöüñ']/ig
	var ExpRegNoAceptaLetras = /[^0-9\b\0]/i
	var ExpRegDV = /[^k0-9\b\0]/i
	el = fnG.obtenerTarget( e );
	if ( el.id == "telefono"  ) {
		return ExpRegAceptaSoloNumeros;
	} else {
		return ExpRegCSS;
	}
}

function check_form() {
	
	if ( document.form1.areaContacto.value == "" ) {
		alert( "Debe selecionar un \u00E1rea de contacto." );
		document.form1.areaContacto.focus();
		return false;
	}
	
	if ( document.form1.email.value == "" ) {
		alert( "Debe indicar E-mail." );
		document.form1.email.focus();
		return false;
	}
	
	if ( document.form1.email.value != "" ) {
		pat=/^[\w\_\.çñ]{2,255}@[\w]{2,255}\.[a-z]{1,3}\.?[a-z]{0,3}$/
		regExp = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if ( !regExp.test( document.form1.email.value ) ) {
			alert( "Introduzca un E-mail v\u00E1lido." );
			document.form1.email.focus();
			return false;
		}
	}
	
	
	return true;
}