function canviarImg(strIdiomaMenu, numImg) {
    //carga  las imágenes de la cabecera según el idioma y las cambia cada 5 segundos.
    document.getElementById('bannerSup').src = "/img/bannersup/bannersup" + numImg + "_" + strIdiomaMenu + ".jpg";
    numImg++;
    if (numImg > 5)
        numImg = 1;
    setTimeout("canviarImg('" + strIdiomaMenu + "'," + numImg + ")", 5000);
}

function validarEmail(emailStr) {
    /* The following pattern is used to check if the entered e-mail address
    fits the user@domain format.  It also is used to separate the username
    from the domain. */

    var emailPat = "/^(.+)@(.+)$/";
    /* The following string represents the pattern for matching all special
    characters.  We don't want to allow special characters in the address.
    These characters include ( ) < > @ , ; : \ " . [ ] $ % &    */
    var specialChars = "\\(\\)<>@,;:!·#$%&¬/=?¿¡*ºª\\\\_\\\"\\.\\[\\]";
    /* The following string represents the range of characters allowed in a
    username or domainname.  It really states which chars aren't allowed. */
    var validChars = "[^\\s" + specialChars + "]";
    /* The following pattern applies if the "user" is a quoted string (in
    which case, there are no rules about which characters are allowed
    and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
    is a legal e-mail address. */
    var quotedUser = "(\"[^\"]*\")";
    /* The following pattern applies for domains that are IP addresses,
    rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
    e-mail address. NOTE: The square brackets are required. */
    var ipDomainPat = "/^\"[(\"d{1,3})\".(\"d{1,3})\".(\"d{1,3})\".(\"d{1,3})\"]$/";
    /* The following string represents an atom (basically a series of
    non-special characters.) */
    var atom = validChars + '+';
    /* The following string represents one word in the typical username.
    For example, in john.doe@somewhere.com, john and doe are words.
    Basically, a word is either an atom or quoted string. */
    var word = "(" + atom + "|" + quotedUser + ")";
    // The following pattern describes the structure of the user
    var userPat = new RegExp("^" + word + "(\\." + word + ")*$");
    /* The following pattern describes the structure of a normal symbolic
    domain, as opposed to ipDomainPat, shown above. */
    var domainPat = new RegExp("^" + atom + "(\\." + atom + ")*$");

    /* Finally, let's start trying to figure out if the supplied address is
    valid. */

    /* Begin with the coarse pattern to simply break up user@domain into
    different pieces that are easy to analyze. */
    var matchArray = emailStr.match(emailPat);
    if (matchArray == null) {
        /* Too many/few @'s or something; basically, this address doesn't
        even fit the general mould of a valid e-mail address. */
        alarma("La dirección de correo parece inválida (comprueba @ y .).");
        return false;
    }
    var user = matchArray[1];
    var domain = matchArray[2];

    // See if "user" is valid
    if (user.match(userPat) == null) {
        // user is not valid
        alarma("El nombre de usuario no es válido..");
        return false;
    }

    /* if the e-mail address is at an IP address (as opposed to a symbolic
    host name) make sure the IP address is valid. */
    var IPArray = domain.match(ipDomainPat);
    if (IPArray != null) {
        // this is an IP address
        for (var i = 1; i <= 4; i++) {
            if (IPArray[i] > 255) {
                alarma("La dirección IP destino es inválida.");
                return false;
            }
        }
        return true;
    }

    // Domain is symbolic name
    var domainArray = domain.match(domainPat);
    if (domainArray == null) {
        alarma("El dominio no parece ser válido.");
        return false;
    }

    /* domain name seems valid, but now make sure that it ends in a
    three-letter word (like com, edu, gov) or a two-letter word,
    representing country (uk, nl), and that there's a hostname preceding
    the domain or country. */

    /* Now we need to break up the domain to get a count of how many atoms
    it consists of. */
    var atomPat = new RegExp(atom, "g");
    var domArr = domain.match(atomPat);
    var len = domArr.length;
    if (domArr[domArr.length - 1].length < 2 ||
    domArr[domArr.length - 1].length > 3) {
        // the address must end in a two letter or three letter word.
        alarma("La dirección debe acabar en un dominio de 3 letras (o de 2 letras en caso de un pais).");
        return false;
    }

    // Make sure there's a host name preceding the domain.
    if (len < 2) {
        var errStr = "Esta dirección carece de nombre de host.";
        alarma(errStr);
        return false;
    }

    // If we've gotten this far, everything's valid!
    return true;
}

function abrirPopUp(url, nombreVentana, width, height) 
{    
    window.open(url, nombreVentana, "width=" + width + ",height=" + height + ",scrollbars=YES");
}

function abrirPopUpSinScrollBars(url, nombreVentana, width, height) {
    window.open(url, nombreVentana, "width=" + width + ",height=" + height + ",scrollbars=NO");
}

//Abrir ventana reports
function abrirVentanaReport(idTipoInforme) {
    //if (navigator.userAgent.indexOf("AppleWebKit") != -1)
        window.open("/Reports/ReportViewer2.aspx?hdnTipoInforme=" + idTipoInforme, "_blank", "resizable=yes,width=780px,height=585px,left=100px");
    /*else {
        window.showModalDialog("/Reports/ReportViewer2.aspx?hdnTipoInforme=" + idTipoInforme, null, "center:yes;resizable:no;help:no;dialogWidth:780px;dialogHeight:585px;scroll=no");
    }*/
}

//Abrir ventana reports
function abrirVentanaReportTest(idTipoInforme) {
    //if (navigator.userAgent.indexOf("AppleWebKit") != -1)
    var windowId = 'DialogWindow_' + new Date().getTime();
    window.open("/Reports/ReportViewer.aspx?hdnTipoInforme=" + idTipoInforme, windowId, "resizable=yes,width=780px,height=585px,left=100px");
    /*else {
    window.showModalDialog("/Reports/ReportViewer2.aspx?hdnTipoInforme=" + idTipoInforme, null, "center:yes;resizable:no;help:no;dialogWidth:780px;dialogHeight:585px;scroll=no");
    }*/
}