function next() {
	var cur_pic = parseInt(document.getElementById("num").innerHTML,10);
	if(cur_pic < 9) cur_pic++;
	if(cur_pic > 3) document.getElementById("desc").innerHTML = "Facilities under <b>new</b> ownership:";
	document.getElementById("gal_pic").src = cur_pic.toString(10) + ".jpg";
	document.getElementById("num").innerHTML = cur_pic.toString();
	return false;
}

function prev() {
	var cur_pic = parseInt(document.getElementById("num").innerHTML,10);
	if(cur_pic > 1) cur_pic--;
	if(cur_pic < 4) document.getElementById("desc").innerHTML = "Facilities prior to <b>new</b> ownership:";
	document.getElementById("gal_pic").src = cur_pic.toString(10) + ".jpg";
	document.getElementById("num").innerHTML = cur_pic.toString();
	return false;
}