// JavaScript Document
function fValidaText(f){
	var error = true;
  	for (i=0 ; i<document[f].elements.length;i++){
		if ((document[f].elements[i].type=="text" || document[f].elements[i].type=="password" || document[f].elements[i].type=="textarea") && (document[f].elements[i].value=="")){
			alert(vecMensajeError[i]);
			document[f].elements[i].focus();
			error=false;
			break;	
			}
		}
	return error;
}

function fValidaNumero(num){
	if(!isNaN(num))
		return false;
	else
		return true;
}

function fValidaEmail(mail){
	if (mail.indexOf("@") == -1)
		return false;
	else if(mail.substring(mail.indexOf("@")+1, mail.length).indexOf(".") == -1)
		return false;
	else
		return true;
}