// Automatic Image slideshow

SetPause("2");      // set default pause between slides (seconds)

g_fPlayMode = 0;
g_iimg = -1;
g_imax = 0;
g_ImageTable = new Array();

function SetPause(seconds)
{
g_dwTimeOutSec=seconds
}

function AddImage(imageSrc, imageDesc)
{
g_ImageTable[g_imax++] = new Array (imageSrc, imageDesc);
}

function ChangeImage(fFwd)
{
if (fFwd)
{
if (++g_iimg==g_imax)
g_iimg=0;
}
else
{
if (g_iimg==0)
g_iimg=g_imax;
g_iimg--;
}
Update();
}

function getobject(obj){
if (document.getElementById)
return document.getElementById(obj)
else if (document.all)
return document.all[obj]
}

function Update(){
getobject("formSlideId").src = g_ImageTable[g_iimg][0];
}

function Play()
{
g_fPlayMode = !g_fPlayMode;
if (g_fPlayMode)
{
Next();
}
}

function OnImgLoad()
{
if (g_fPlayMode)
window.setTimeout("Tick()", g_dwTimeOutSec*1000);
}

function Tick() 
{
if (g_fPlayMode)
Next();
}

function Prev()
{
ChangeImage(false);
}

function Next()
{
ChangeImage(true);
}