function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

country_bc_over = newImage("images/country_bc_ov.jpg");
country_ab_over = newImage("images/country_ab_ov.jpg");
country1_on_over = newImage("images/country_on_ov.jpg");


var preloadFlag = false;
function preloadImages() {
	if (document.images) {

		via_map_off = newImage("/images/via_map-off.gif");
		via_map_over = newImage("/images/via_map-on.gif");
		the_header = newImage("/images/logo.gif");
		
		preloadFlag = true;
	}
}