// JScript File

function AlIniciar() {
    //document.onkeydown = CheckEnterKeyAndRedirectFocus(event);
    AttachEvent(document, "keydown", CheckEnterKeyAndRedirectFocus);
}

function GetEvent(e) {
    // e gives access to the event in all browsers
    if (!e) var e = window.event;

    return e;
}

//Soporte para botones predeterminados al presionar la tecla Enter
var optimaPortalDefaultButtonId = '';
function CheckEnterKeyAndRedirectFocus(e) {
    var ff_event = GetEvent(e);

    var button = document.getElementById(optimaPortalDefaultButtonId);

    if (button != null) {
        var keynum = 0;
        if (window.event) // IE
        {
            keynum = e.keyCode;
        } else if (e.which) // Netscape/Firefox/Opera
        {
            keynum = e.which;
        }

        if (keynum == 13) {
            button.focus();
        }
    }
}

function AttachEvent(obj, evType, fn, useCapture) {
    if (!useCapture) var useCapture = true;
    if (obj.addEventListener) {
        obj.addEventListener(evType, fn, useCapture);
        return true;
    } else if (obj.attachEvent) {
        var r = obj.attachEvent("on" + evType, fn);
        return r;
    } else {
        return false;
    }
}

AttachEvent(window, "load", AlIniciar);

function MM_preloadImages() { //v3.0
    var d = document; if (d.images) {
        if (!d.MM_p) d.MM_p = new Array();
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments; for (i = 0; i < a.length; i++)
            if (a[i].indexOf("#") != 0) { d.MM_p[j] = new Image; d.MM_p[j++].src = a[i]; } 
    }
}

function MM_swapImgRestore() { //v3.0
    var i, x, a = document.MM_sr; for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
}

function MM_findObj(n, d) { //v4.01
    var p, i, x; if (!d) d = document; if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) x = d.all[n]; for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) x = d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments; document.MM_sr = new Array; for (i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null) { document.MM_sr[j++] = x; if (!x.oSrc) x.oSrc = x.src; x.src = a[i + 2]; }
}

function MM_openBrWindow(theURL, winName, features) { //v2.0
    window.open(theURL, winName, features);
}

function queryString(name) {
    name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regexS = "[\\?&]" + name + "=([^&#]*)";
    var regex = new RegExp(regexS);
    var results = regex.exec(window.location.href);
    if (results == null)
        return "";
    else
        return results[1]; 
}