function checkform(f) {
        if (f.fullname.value == "") {
            alert( "");
            f.organization.focus();
            return false;
          }

        if (f.email.value == "") {
            alert( "");
            f.email.focus();
            return false;
          }
	//alert('envio');
        f.submit();
        return true;
}

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