function animImageInc()
{
if (imageIndex < numOfImages)
	imageIndex++
else
	imageIndex = 1;
}

function setCurrImage()
{
	document.MainImagesg.src = imgarray[imageIndex].src;
}

function updateAnim()
{
	var currTimeoutValue;
	
	currTimeoutValue = timeoutValue;

	if (playMode == 1)
	{
		animImageInc();
		if (imageIndex == numOfImages) 
			currTimeoutValue += animDelay;
	}
	else
	{
		animImageDec();
		if (imageIndex == 1) 
			currTimeoutValue += animDelay;
	}
	setCurrImage();
	timeoutID = setTimeout("updateAnim()", currTimeoutValue);
}

updateAnim();