var ImageId=1;
var ImageId2=4;
var topImageID=4;
setTimeout('ChangeImage()', 3000); 
function ChangeImage() {
	
	
	ImageId+=1;
	ImageId2+=1;

	if(ImageId==topImageID)
	{
		ImageId = 1;
		ImageId2 = 4;
	}
	//alert(ImageId);
	document.SlideShowImage.src="slideshow/"+ ImageId +".jpg";
	document.SlideShowImage2.src="slideshow/"+ ImageId2 +".jpg";
	setTimeout('ChangeImage()', 3000);
}