<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
        news_over = newImage("images/bc/header/bc_main_hdr_news_over.gif");
        port_over = newImage("images/bc/header/bc_main_hdr_port_over.gif");
        safety_over = newImage("images/bc/header/bc_main_hdr_safety_over.gif");
        enviro_over = newImage("images/bc/header/bc_main_hdr_enviro_over.gif");
        econo_over = newImage("images/bc/header/bc_main_hdr_econo_over.gif");
        about_over = newImage("images/bc/header/bc_main_hdr_about_over.gif");
        links_over = newImage("images/bc/header/bc_main_hdr_links_over.gif");
        
        red1_over = newImage("images/subnav/_subnav_red.gif");
        red2_over = newImage("images/subnav/_subnav_red.gif");
        red3_over = newImage("images/subnav/_subnav_red.gif");
        red4_over = newImage("images/subnav/_subnav_red.gif");
        
		preloadFlag = true;
	}
}


// -->