function cambiar (flag,img) 
{
    if (document.images)
    {
        if (document.images[img].permitirloaded)
        {
            if (flag==1)
                document.images[img].src = document.images[img].permitir.src;
            else
                document.images[img].src = document.images[img].permitir.oldsrc;
        }
    }
}

function preloadcambiar (img,adresse)
{
    if (document.images)
    {
        img.onload = null;
        img.permitir = new Image ();
        img.permitir.oldsrc = img.src;
        img.permitir.src = adresse;
        img.permitirloaded = true;
    }
}

// VISOR DE CAPAS
var ns4 = (document.layers)? true:false
var ie4 = (document.all)? true:false

function MostrarCapa(capa)
{
    if(document.layers)document.layers[capa].visibility='show' // Si utilizamos NS
    if(document.all)document.all(capa).style.visibility='visible' // Si utilizamos IE
}

function OcultarCapa(capa)
{
    if(document.layers)document.layers[capa].visibility='hide' // Si utilizamos NS
    if(document.all)document.all(capa).style.visibility='hidden' // Si utilizamos IE
}


function MostrarLupa(capaOri,capaSust)
{
    if(document.layers)document.layers[capaOri].display='none' // Si utilizamos NS
    if(document.all)document.all(capaOri).style.display='none' // Si utilizamos IE
    if(document.layers)document.layers[capaSust].display='block' // Si utilizamos NS
    if(document.all)document.all(capaSust).style.display='block' // Si utilizamos IE
}

function OcultarLupa(capaOri,capaSust)
{
    if(document.layers)document.layers[capaSust].display='none' // Si utilizamos NS
    if(document.all)document.all(capaSust).style.display='none' // Si utilizamos IE
    if(document.layers)document.layers[capaOri].display='block' // Si utilizamos NS
    if(document.all)document.all(capaOri).style.display='block' // Si utilizamos IE
}

function printpr()
{
    var OLECMDID = 7;
    /* OLECMDID values:
    * 6 - print
    * 7 - print preview
    * 1 - open window
    * 4 - Save As
    */
    var PROMPT = 1; // 2 DONTPROMPTUSER
    var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH="0" HEIGHT="0" CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
    document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
    WebBrowser1.ExecWB(OLECMDID, PROMPT);
    WebBrowser1.outerHTML = "";
}

function is_loaded()
{   //DOM
    if (document.getElementById)
        document.getElementById('preloader').style.visibility='hidden';
    else
    {
        if (document.layers)
        //NS4
            document.preloader.visibility = 'hidden';
        else
            //IE4
            document.all.preloader.style.visibility = 'hidden';
    }
}

function NavigateToPage(url)
{
	var ch=url.indexOf("?") >=0 ? "&" : "?";
	var srcUrl=GetSource();
	if (srcUrl !=null && srcUrl !="")
		url+=ch+"Source="+srcUrl;
	window.location = url;
}

/* PRELOAD IMAGES JMA */

var imagesDir = "/jma/bibliotecaestilos/imagenes/";
var image1 = imagesDir + "/ajax-loader.gif";
var image2 = imagesDir +  "/banner.jpg";
var image3 = imagesDir + "/fondodeggris.gif";
var image4 = imagesDir + "/logosup.gif";
var image5 = imagesDir + "/logoinf.gif";
var image6 = imagesDir + "/col1.jpg";
var image7 = imagesDir + "/col2.jpg";
var image8 = imagesDir + "/esqgris.gif";
var image9 = imagesDir + "/esqnaranja.gif";
var image10 = imagesDir + "/logogris.gif";
var image11 = imagesDir + "/mprint_out.gif";
var image12 = imagesDir + "/mprint_in.gif";
var image13 = imagesDir + "/menujma_in.gif";
var image14 = imagesDir + "/menujma_out.gif";
var image15 = imagesDir + "/menulugido_in.gif";
var image16 = imagesDir + "/menulugido_out.gif";
var image17 = imagesDir + "/menuprocaba_out.gif";
var image18 = imagesDir + "/menuprocaba_in.gif";
var image19 = imagesDir + "/menuprofir_in.gif";
var image20 = imagesDir + "/menuprofir_out.gif";
var image21 = imagesDir + "/menuprohuman_in.gif";
var image22 = imagesDir + "/menuprohuman_out.gif";
var image23 = imagesDir + "/menuproout_in.gif";
var image24 = imagesDir + "/menuproout_out.gif";
var image25 = imagesDir + "/mtlf_in.gif";
var image26 = imagesDir + "/mtlf_out.gif";
var image27 = imagesDir + "/mclip_in.gif";
var image28 = imagesDir + "/mclip_out.gif";
var image29 = imagesDir + "/mcorreo_in.gif";
var image30 = imagesDir + "/mcorreo_out.gif";

var preloadImages = [image1,image2,image3,image4,image5,image6,image7,image8,image9, image10,image11,image12,image13,image14,image15,image16, image17,image18,image19,image20,image21,image22,image23,image24,image25,image26,image27,image28,image29,image30];
for (var i=0; i < preloadImages.length; i++)
{
    var img = new Array(35);
    img[i] = new Image();
    img[i].src = preloadImages[i];
}