// funciones para formularios contacto, vida optimista

String.prototype.trim = function(){ return this.replace(/^\s+|\s+$/g,'') }

function isEmail(fld) {
    var email;
    var parts;
    var esOk = false;
    email = fld.value;
    var m = email.match(/^\s*(\S+(\s+\S+)*)\s*$/);
    parts = email.split(/@/);
    esOk = ((m[2] == null) || (m[2] == ""));
    esOk &= (parts.length == 2);
    if (esOk) {
      var dot = parts[1].split(/\./);
      esOk = (dot.length > 1);
    }
    return esOk;
}
function mostrar_error(html) {
    var dv = document.getElementById('errorform');
    dv.innerHTML = '<strong>Error</strong>: ' + html;
    dv.style.display="block";
}