function sendForm(el) {
	var form = document.forms[el];
	var flag = false;
	var bad_mes = '';
	
	var name = document.getElementById('name_in');
	if(name.value == '') { 
		bad_mes = bad_mes + 'Please, enter your First Name and Last Name:\n';
		flag = true;
	}
	
	var message = document.getElementById('message_in');
	if(message.value == '') { 
		bad_mes = bad_mes + 'Please, enter the Message:\n';
		flag = true;
	}
	
	var email = document.getElementById('email_in');
	if(!email.value == '') {
		if (!(/^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,4}$/i).test(email.value)) {
			bad_mes = bad_mes + 'Incorrect Email:\n';
			flag = true;
		}
	}
	
	if(!flag) {
		form.submit();
	}
	else {
		alert(bad_mes);
	}
}

function sendFormEsp(el) {
	var form = document.forms[el];
	var flag = false;
	var bad_mes = '';
	
	var name = document.getElementById('name_in');
	if(name.value == '') { 
		bad_mes = bad_mes + 'Por favor, introduzca su nombre y apellido:\n';
		flag = true;
	}
	
	var message = document.getElementById('message_in');
	if(message.value == '') { 
		bad_mes = bad_mes + 'Por favor, introduzca el Mensaje:\n';
		flag = true;
	}
	
	var email = document.getElementById('email_in');
	if(!email.value == '') {
		if (!(/^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,4}$/i).test(email.value)) {
			bad_mes = bad_mes + 'Error! Comprueba su correo electronico.\n';
			flag = true;
		}
	}
	
	if(!flag) {
		form.submit();
	}
	else {
		alert(bad_mes);
	}
}