function switchHomeTab (whichtab) {
	
	bgtab = $('#home-feature-tabs-on');
	
	$('#left').removeClass("active");
	$('#middle').removeClass("active");
	$('#right').removeClass("active");
	
	bgtab.css("backgroundImage", "url(/_images/homepage/" +  whichtab  + "-tab-on.gif)");

	if(whichtab == "left") {
		bgtab.css("backgroundPosition", "top left"); 
	} else if (whichtab == "middle") { 
	 	bgtab.css("backgroundPosition", "top center"); 
	} else { 
	 	bgtab.css("backgroundPosition", "top right"); 
	}
	
	$("#"+whichtab).addClass("active"); // Turns on the appropriate feature content area;
}