/*Codigo tomado de http://goo.gl/AO5jD <<Crea y modifica las cookies de tu navegador con Javascript>>*/
function crearCookie(name, value,days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }else var expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
}

function leerCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
}

function borrarCookie(name) {
    Tools.createCookie(name,"",-1);
}