var home_timer_id = 0;
function home_begin_slideshow(picindex) {
	clearInterval(home_timer_id);
 	var img = document.getElementById("home_img" + picindex);
	if (img == null) {
		picindex = 1;
		img = document.getElementById("home_img" + picindex);
		if (img == null) {
			return;
		}
	}
	var home_img = new Image();
	home_img.onload=function() { 
		document.getElementById("home_img").src = home_img.src;
		clearInterval(home_timer_id);
		home_timer_id = setInterval(function() { home_begin_slideshow(picindex + 1); }, 5000);
	}
	home_img.src=img.src;
}