var fcurpage=1;
var ftimer=null;
var fstopped=true;
var fimagesWidth=null;
var fimagesHeight=null;
var fslideHeight=0;


function rpb() 
{
    /*
    var obj=document.getElementsByName('pause');
    if (obj) 
    {
        for (i=0;i <= (obj.length-1);i++) 
        {
            obj[i].src="/imgs/pause-o.gif";
        }
    }
    */
}

function ffnc_next()
{
    //if (fstopped)
    //{rpb();}
    if (fcurpage == 0 || fcurpage>fnumpages)
    {fcurpage=1;}
    fstop();
    var obj=document.getElementById('grota'+fcurpage);
    obj.style.visibility = "hidden";
    obj.style.display = "none";
    obj.style.height = "1px";
    $('#imgSel'+fcurpage).animate({ opacity: 0.2}, "fast" );
    fcurpage++;
    if (fcurpage>fnumpages)
        fcurpage = 1;
    var obj=document.getElementById('grota'+fcurpage);
    obj.style.visibility = "visible";
    obj.style.display = "block";
    obj.style.height = fslideHeight +"px";
    $('#imgSel'+fcurpage).animate({ opacity: 1}, "slow" );
    fstart();
}

function fstopstart() {
    if (fstopped) {
        //img.src="/imgs/"+img.id+".gif";
        //img.onmouseover="fsgppnov(this);";
        //img.onmouseout="fsgppnou(this);";
        fstart();
    } else {
        //img.src="/imgs/"+img.id+"_over.gif";
        //img.onmouseover="";
        //img.onmouseout="";
        fstop();
    }
}

function fstop() {
    if (!(fstopped)) {
        clearTimeout(ftimer);
        fstopped=true;
    }
}
function fstart() {
    ftimer=setTimeout('ffnc_next()',5000);
    fstopped=false;
}

function ffirsthide()
{
    //Oculto cada una de las imagenes
    for (var i=1;i <= fnumpages;i++)
    {
        var obj=document.getElementById('grota'+i);
        if(i==1) 
        {
          //  fimagesWidth  = document.getElementById('dimg'+i).width;
          //  fimagesHeight = document.getElementById('dimg'+i).height;
            fimagesWidth  = 366;
            fimagesHeight = 233;
        }
        //fslideHeight = fimagesHeight + 85;
        fslideHeight = fimagesHeight + 45;
        obj.style.visibility="hidden";
        obj.style.display = "none";
        obj.style.height = "1px";
        obj.style.overflow ="hidden";
        obj.style.top = "0px";
        obj.style.position = "relative";
        obj.style.border = "0px solid";
        obj.style.zIndex = 1;
    }

    //Ubico la botonera segun el alto de la primer imagen

    if (fnumpages > 1)
    {
        var fbotonera=document.getElementById('fbotoneraSlide');
        var top = fimagesHeight + 42;
        var left = fimagesWidth - 119;
        fbotonera.style.visibility = "visible";
        //fbotonera.style.display = "block";
        fbotonera.style.top = "295px";
        fbotonera.style.left = "367px";
        fbotonera.style.zIndex = "5";
        fbotonera.style.position = "absolute"; 
    }

    //Muestro la primer imagen
    fcurpage = 1;
    var obj=document.getElementById('grota'+fcurpage);
    obj.style.visibility = "visible";
    obj.style.display = "block";
    obj.style.height = fslideHeight + "px";
    fstart();
}

function fsgppnov(img)
{
    //img.src='/imgs/'+img.id+'_over.gif';
}
function fsgppnou(img)
{
    //img.src='/imgs/'+img.id+'.gif';
}