g_fPlayMode = 0;
g_iimg = -1;
g_imax = 0;
g_dwTimeOutSec = 3;
g_ImageTable = new Array();

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("_Ath_Slide").src = g_ImageTable[g_iimg][0];
getobject("_Ath_FileName").innerHTML = g_ImageTable[g_iimg][1];
getobject("_Ath_Img_X").innerHTML = g_iimg + 1;
getobject("_Ath_Img_N").innerHTML = g_imax;
}


function Play()
{
g_fPlayMode = !g_fPlayMode;
if (g_fPlayMode)
	{
	getobject("btnPrev").disabled = getobject("btnNext").disabled = true;
	Next();
	}
	else 
	{
	getobject("btnPrev").disabled = getobject("btnNext").disabled = false;
	getobject("btnFaster").disabled = getobject("btnSlower").disabled = false;
	}
}

function Faster()
{
g_dwTimeOutSec = g_dwTimeOutSec - 1;
if (g_dwTimeOutSec <= 0)
{
	g_dwTimeOutSec = 1;
}
}

function Slower()
{
g_dwTimeOutSec = g_dwTimeOutSec + 1;
}

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);
}