var backImage=new Array()

function StartTimer()
{

	backImage[0] = "back_ret.jpg";
	backImage[1] = "back_log.jpg";
	backImage[2] = "back_pub.jpg";
	backImage[3] = "back_com.jpg";
	
	imgNo=4;
	
	t=setTimeout("SwapImage()",0);
}

function SwapImage() {

	imgNo=imgNo+1; if (imgNo>3) { imgNo=0; }
	
	//document.getElementById('Slideshow').style.backgroundImage = "url(img/" + backImage[imgNo] + ")";
	document.getElementById('SlideshowImg').src = "img/" + backImage[imgNo];

	t=setTimeout("SwapImage()",7000);
}