// preload rollover images
if (window.document.images){

	var map_chicagoland_over= new Image();
	map_chicagoland_over.src = "/10/graphicsNEW/map_chicagoland.jpg";

	var map_swmi_over= new Image();
	map_swmi_over.src = "/10/graphicsNEW/map_sw_michigan.jpg";

}