function checkform(f) {
        if (f.fullname.value == "") {
            alert(unescape("Algunos%20campos%20estan%20incompletos.%20Por%20favor%2C%20revisa%20el%20formulario."));
            f.fullname.focus();
            return false;
          }

        if (f.email.value == "") {
            alert(unescape("Algunos%20campos%20estan%20incompletos.%20Por%20favor%2C%20revisa%20el%20formulario."));
            f.email.focus();
            return false;
          }
	if (!checkEmail()) {
            alert(unescape("Algunos%20campos%20estan%20incompletos.%20Por%20favor%2C%20revisa%20el%20formulario."));
            f.email.focus();
            return false;
	}
        f.submit();
//	document.forms["myform"].submit();

        //return true;
}

function checkEmail() {
	var email = document.getElementById('email');
	var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/
	if (!filter.test(email.value)) {
		alert(unescape("Por%20favor%20introduzca%20una%20direcci%C3%83%C2%B3n%20de%20email%20v%C3%83%C2%A1lida"));
		email.focus;
		return false;
		}
	return true;
}



function disableEnter(e){
 e = e || event;
 return (e.keyCode || event.which || event.charCode || 0) !== 13;
}

function enableBtn(){
    document.getElementById("submitBtn").disabled = false;
    document.getElementById("submitBtn").style.background = "#1D7EBA";
}

function r(f){/in/.test(document.readyState)?setTimeout('r('+f+')',9):f()}
r(function(){
        document.getElementById("submitBtn").style.background = "#F0F0F0";
});