function send_mail() {
	var form = document.getElementById('contact_form');
	var name = form.name;
	var email = form.email;
	var phone = form.teleph;
	var msg = form.msg;
	if (name.value != '' && phone.value !== '' && msg.value != '' && email.value != '') {
		if (!validarEmail(email)) {
			return false;
		}
		form.submit();
	} else {
		alert('Debe ingesar todos los datos correctamente');
	}
}

function recommend_mail() {
	var form = document.getElementById('recommend_form');
	var name = form.name;
	var email = form.email;
	var tname = form.tname;
	var temail = form.temail;
	var from = form.from;
	if (name.value != '' && tname.value !== '' && email.value != ''  && temail.value != '') {
		if (!validarEmail(email) || !validarEmail(temail)) {
			return false;
		}
		form.submit();
	} else {
		alert('Debe ingresar todos los datos correctamente');
	}
}


function validarEmail(cadena)  {
    var a = cadena.value;
    var filter=/^[A-Za-z][A-Za-z0-9_.]*@[A-Za-z0-9_]+.[A-Za-z0-9_.]+[A-za-z]$/;
        if ((a.length != 0) && (filter.test(a)))
            return true;
        else
            alert("Por favor, debe ingresar una dirección de correo válida!!!");
        cadena.focus();
        return false;
}

function user_submit() {
	var form = document.getElementById('user_form');
	form.submit();
}

function send_comment() {
    var form = document.getElementById('comment_form');
    var name = form.name;
    var email = form.email;
    var comment = form.comment;
    var term = form.term.checked;
    if (name.value != '' && comment.value != '' && email.value != '') {
        if (!validarEmail(email)) {
            return false;
        }
        if (term)
            form.submit();
        else
            alert('Debe aceptar los terminos y condiciones!!!');
    } else {
        alert('Debe ingesar todos los datos correctamente!!!');
    }
}

function setImage(image) {
    var img = document.getElementById('project_image');
    img.src = image;
}