function swapDisplay(itemid) {
	var myItemIDs = ["kaplan", "chaudhary", "stixrud", "molina"];
	var id_thumb = '';
	for (var i=0;i<myItemIDs.length;++i) {
		document.getElementById(myItemIDs[i]).style.display = "none";
		id_thumb = myItemIDs[i] + "_thumb";
		document.getElementById(id_thumb).style.background = "url(/images/home_" + myItemIDs[i] + "_frame.jpg) no-repeat 0px 0px";
	}
	document.getElementById("chaudhary").style.display = "none";
	document.getElementById(itemid).style.display = "block";
	id_thumb = itemid + "_thumb";
	document.getElementById(id_thumb).style.background = "url(/images/home_" + itemid + "_frame2.jpg) no-repeat 0px 0px";
}