var xMediaContent  = new Array();
var xMediaImage    = new Image;
var iCurrentImage  = 0;
var iInternalCount = 5000;
var xTimerHandle   = null;
var bTimerRunning  = false;

var TimeInSecondsBetweenCycles = 5.0;
var LoadInNewWindow = false;
var WrapAtEnd       = true;

xMediaContent[0] = "images/p1bg1.jpg";
xMediaContent[1] = "";

xMediaContent[2] = "images/p1bg2.jpg";
xMediaContent[3] = "";

xMediaContent[4] = "images/p1bg3.jpg";
xMediaContent[5] = "";

xMediaContent[6] = "images/p1bg4.jpg";
xMediaContent[7] = "";

xMediaContent[8] = "images/p1bg5.jpg";
xMediaContent[9] = "";

function MediaStop()
{
    if( bTimerRunning )
        clearTimeout( xTimerHandle );

    bTimerRunning = false;
}

function MediaGoBack()
{
    MediaStop();

    if (WrapAtEnd)
      (iCurrentImage == 0) ? iCurrentImage = (xMediaContent.length - 2) : iCurrentImage-=2;
    else
      (iCurrentImage == 0) ? iCurrentImage = 0 : iCurrentImage-=2;

    document.MEDIAIMAGE.src = xMediaContent[iCurrentImage];
}

function MediaGoForward()
{
    MediaStop();

    if (WrapAtEnd)
      (iCurrentImage == (xMediaContent.length - 2)) ? iCurrentImage = 0 : iCurrentImage+=2;
    else
      (iCurrentImage == (xMediaContent.length - 2)) ? iCurrentImage = iCurrentImage : iCurrentImage+=2;

    document.MEDIAIMAGE.src = xMediaContent[iCurrentImage];
}

function MediaInternalCycle()
{
    (iCurrentImage == (xMediaContent.length - 2)) ? iCurrentImage = 0 : iCurrentImage+=2;
    if( document.MEDIAIMAGE ) document.MEDIAIMAGE.src = xMediaContent[iCurrentImage];

    xTimerHandle   = setTimeout("MediaInternalCycle()", iInternalCount);
    bTimerRunning  = true;
}

function MediaStart()
{
    iInternalCount = TimeInSecondsBetweenCycles * 1000;
    MediaStop();
    MediaInternalCycle();
}