function conectar()
{
    if (window.XMLHttpRequest)
    {
        return new XMLHttpRequest()
    }
    else if (window.ActiveXObject)
    {
        return new ActiveXObject("Microsoft.XMLHTTP")
    }
    return false;
}

function sendMail()
{
	if(document.getElementById('posName').value.length < 5){
		document.getElementById('posName').focus();
		document.getElementById('emailSuccess').innerHTML = 'Error en el campo nombre, por favor escriba su nombre';
		document.getElementById('emailSuccess').style.display = '';
		return false;
	}
	
	var filtro  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    
	if (!filtro.test(document.getElementById('posEmail').value)){
        document.getElementById('posEmail').focus();
		document.getElementById('emailSuccess').innerHTML = 'Debe escribir una direcci&oacute;n de E-mail valida';
		document.getElementById('emailSuccess').style.display = '';
        return false;
    }
    
    if(document.getElementById('posText').value.length < 10){
		document.getElementById('posText').focus();
		document.getElementById('emailSuccess').innerHTML = 'Escriba al menos 10 caracteres en su consulta';
		document.getElementById('emailSuccess').style.display = '';
		return false;
	}

	
	document.getElementById('loadBar').style.display = '';
	document.getElementById('emailSuccess').style.display = 'none';
		
    parameters = "?posName=" + document.getElementById('posName').value
    parameters += "&posEmail=" + document.getElementById('posEmail').value
    parameters += "&posText=" + document.getElementById('posText').value
    
    	
    url = 'contact.php' + parameters;
	
    
    xmlhttp = conectar();
    xmlhttp.open("GET", url, true);
	xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	
	xmlhttp.onreadystatechange=function() {
        if (xmlhttp.readyState==1) {
            document.getElementById('loadBar').style.display = '';
        }
        if (xmlhttp.readyState==4)
        {
            document.getElementById('loadBar').style.display = 'none';
            document.getElementById('emailSuccess').innerHTML = 'Su Email a sido enviado! A la Brevedad le responderemos.'
        }
    }
    
    xmlhttp.send(null);

   	return false;
}