var cSlideShowTimeout = 4000;
var iSlideCurrent = -1;
var timeoutid = "";

var g_fIEBrowser = (window.navigator.userAgent.toLowerCase().indexOf('msie') != -1);
var g_fApplyFilterToImage = g_fIEBrowser;

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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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 NavigateImage(iDir)
{
        StopSlideShow();

        var strSource = GetFileName(document.getElementById("MainImage").src);
        var oMainDoc = window.parent.document;
        for (i = 0; i<oMainDoc.images.length; i++)
        {
                if (strSource == GetFileName(oMainDoc.images.item(i).src))
                {
                        if ((i+iDir) >= 0 && (i+iDir) < oMainDoc.images.length)
                        {
                                resetImageOnObject(oMainDoc.images.item(i));
                                oMainDoc.images.item(i+iDir).parentNode.focus();
                                if (g_fIEBrowser)
                                {
                                        oMainDoc.images.item(i+iDir).click();
                                }
                                else
                                {
                                        window.open(oMainDoc.images.item(i+iDir).parentNode.href,"_self");
                                }
                                break;
                        }
                }
        }
}

function GetFileName(strFileName)
{
        var rgData = strFileName.split("/");
        if (rgData.length > 0)
                return rgData[rgData.length-1];
        else
                return "";
}

function StopSlideShow()
{
        var SlideShowPlay = document.getElementById("SlideShowPlay");
        parent.window.fSlideShow = false;
        SlideShowPlay.src = "../../Site/images/WGW_SlidePlay.gif";
        iSlideCurrent = -1;
}

function runSlides()
{
        var SlideShowPlay = document.getElementById("SlideShowPlay");

        if (parent.window.fSlideShow == true)
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlideStop.gif";
                timeoutid = setTimeout("Ticker()", cSlideShowTimeout);
        }
        else
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlidePlay.gif";
                if (timeoutid != "")
                        clearTimeout(timeoutid);
        }
}

function SlideShow()
{
        var SlideShowPlay = document.getElementById("SlideShowPlay");

        // toggle the existing state
        parent.window.fSlideShow = !parent.window.fSlideShow;

        // start or stop the slide show
        if (parent.window.fSlideShow == true)
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlideStop.gif";
                NavigateSlideShow();
                timeoutid = setTimeout("Ticker()", cSlideShowTimeout);
        }
        else
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlidePlay.gif";
                if (timeoutid != "")
                        clearTimeout(timeoutid);
        }
}

function Ticker()
{
  if (g_fIEBrowser)
   {
           if (document.readyState == "complete")
              {
                // navigate to the next image in album and set another timer
                NavigateSlideShow();
              }
   }
   else
   {
        NavigateSlideShow();
   }
   timeoutid = setTimeout("Ticker()", cSlideShowTimeout);
}

function NavigateSlideShow()
{
        if (parent.window.fSlideShow == false)
        {
        StopSlideShow();
        return;
        }
        var strSource = GetFileName(document.getElementById("MainImage").src);
        var oMainDoc = window.parent.document;
        if (iSlideCurrent == -1)
        {
                for (i = 0; i<oMainDoc.images.length; i++)
                {
                        if (strSource == GetFileName(oMainDoc.images.item(i).src))
                        {
                        iSlideCurrent = i;
                        break;
                        }
                }
        }

        resetImageOnObject(oMainDoc.images.item(iSlideCurrent));
        iSlideCurrent = (iSlideCurrent +1) % (oMainDoc.images.length-1);
        if (!g_fIEBrowser)
        {
                if (iSlideCurrent == 0)
                        iSlideCurrent = 1;
        }

        oMainDoc.images.item(iSlideCurrent).parentNode.focus();

        if (g_fIEBrowser)
        {
                oMainDoc.images.item(iSlideCurrent).click();
        }
        else
        {
                window.open(oMainDoc.images.item(iSlideCurrent).parentNode.href,"_self");
        }

        parent.window.fSlideShow = true;
}

function CheckSlideShow()
{
        runSlides();
}

function SlideShowMouseOver()
{
        var SlideShowPlay = document.getElementById("SlideShowPlay");
        if (parent.window.fSlideShow == true)
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlideStop_f2.gif";
                SlideShowPlay.style.cursor='hand';
        }
        else
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlidePlay_f2.gif";
                SlideShowPlay.style.cursor='hand';
        }
}

function SlideShowMouseOut()
{
        var SlideShowPlay = document.getElementById("SlideShowPlay");
        if (parent.window.fSlideShow == true)
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlideStop.gif";
                SlideShowPlay.style.cursor='default';
        }
        else
        {
                SlideShowPlay.src = "../../Site/images/WGW_SlidePlay.gif";
                SlideShowPlay.style.cursor='default';
        }
}