// JavaScript File for working with the USA image map.
function preloadImages() {
    if (document.images) {
        map_image = new Image();
        map_image.src = '../images/usa_map/map_usa.gif';

        map_alabama = new Image();
        map_alabama.src = '../images/usa_map/map_alabama.gif';

        map_alaska = new Image();
        map_alaska.src = '../images/usa_map/map_alaska.gif';

        map_arizona = new Image();
        map_arizona.src = '../images/usa_map/map_arizona.gif';

        map_arkansas = new Image();
        map_arkansas.src = '../images/usa_map/map_arkansas.gif';

        map_california = new Image();
        map_california.src = '../images/usa_map/map_california.gif';

        map_colorado = new Image();
        map_colorado.src = '../images/usa_map/map_colorado.gif';

        map_connecticut = new Image();
        map_connecticut.src = '../images/usa_map/map_connecticut.gif';

        map_dc = new Image();
        map_dc.src = '../images/usa_map/map_dc.gif';

        map_delaware = new Image();
        map_delaware.src = '../images/usa_map/map_delaware.gif';

        map_florida = new Image();
        map_florida.src = '../images/usa_map/map_florida.gif';

        map_georgia = new Image();
        map_georgia.src = '../images/usa_map/map_georgia.gif';

        map_hawaii = new Image();
        map_hawaii.src = '../images/usa_map/map_hawaii.gif';

        map_idaho = new Image();
        map_idaho.src = '../images/usa_map/map_idaho.gif';

        map_illinois = new Image();
        map_illinois.src = '../images/usa_map/map_illinois.gif';

        map_indiana = new Image();
        map_indiana.src = '../images/usa_map/map_indiana.gif';

        map_iowa = new Image();
        map_iowa.src = '../images/usa_map/map_iowa.gif';

        map_kansas = new Image();
        map_kansas.src = '../images/usa_map/map_kansas.gif';

        map_kentucky = new Image();
        map_kentucky.src = '../images/usa_map/map_kentucky.gif';

        map_louisiana = new Image();
        map_louisiana.src = '../images/usa_map/map_louisiana.gif';

        map_maine = new Image();
        map_maine.src = '../images/usa_map/map_maine.gif';

        map_maryland = new Image();
        map_maryland.src = '../images/usa_map/map_maryland.gif';

        map_massachusetts = new Image();
        map_massachusetts.src = '../images/usa_map/map_massachusetts.gif';

        map_michigan = new Image();
        map_michigan.src = '../images/usa_map/map_michigan.gif';

        map_minnesota = new Image();
        map_minnesota.src = '../images/usa_map/map_minnesota.gif';

        map_mississippi = new Image();
        map_mississippi.src = '../images/usa_map/map_mississippi.gif';

        map_missouri = new Image();
        map_missouri.src = '../images/usa_map/map_missouri.gif';

        map_montana = new Image();
        map_montana.src = '../images/usa_map/map_montana.gif';

        map_nebraska = new Image();
        map_nebraska.src = '../images/usa_map/map_nebraska.gif';

        map_north_dakota = new Image();
        map_north_dakota.src = '../images/usa_map/map_north_dakota.gif';

        map_nevada = new Image();
        map_nevada.src = '../images/usa_map/map_nevada.gif';

        map_new_hampshire = new Image();
        map_new_hampshire.src = '../images/usa_map/map_new_hampshire.gif';

        map_new_jersey = new Image();
        map_new_jersey.src = '../images/usa_map/map_new_jersey.gif';

        map_new_mexico = new Image();
        map_new_mexico.src = '../images/usa_map/map_new_mexico.gif';

        map_new_york = new Image();
        map_new_york.src = '../images/usa_map/map_new_york.gif';

        map_north_carolina = new Image();
        map_north_carolina.src = '../images/usa_map/map_north_carolina.gif';

        map_ohio = new Image();
        map_ohio.src = '../images/usa_map/map_ohio.gif';

        map_oklahoma = new Image();
        map_oklahoma.src = '../images/usa_map/map_oklahoma.gif';

        map_oregon = new Image();
        map_oregon.src = '../images/usa_map/map_oregon.gif';

        map_pennsylvania = new Image();
        map_pennsylvania.src = '../images/usa_map/map_pennsylvania.gif';

        map_rhode_island = new Image();
        map_rhode_island.src = '../images/usa_map/map_rhode_island.gif';

        map_south_carolina = new Image();
        map_south_carolina.src = '../images/usa_map/map_south_carolina.gif';

        map_south_dakota = new Image();
        map_south_dakota.src = '../images/usa_map/map_south_dakota.gif';

        map_tennessee = new Image();
        map_tennessee.src = '../images/usa_map/map_tennessee.gif';

        map_texas = new Image();
        map_texas.src = '../images/usa_map/map_texas.gif';

        map_utah = new Image();
        map_utah.src = '../images/usa_map/map_utah.gif';

        map_vermont = new Image();
        map_vermont.src = '../images/usa_map/map_vermont.gif';

        map_virginia = new Image();
        map_virginia.src = '../images/usa_map/map_virginia.gif';

        map_washington = new Image();
        map_washington.src = '../images/usa_map/map_washington.gif';

        map_west_virginia = new Image();
        map_west_virginia.src = '../images/usa_map/map_west_virginia.gif';

        map_wisconsin = new Image();
        map_wisconsin.src = '../images/usa_map/map_wisconsin.gif';

        map_wyoming = new Image();
        map_wyoming.src = '../images/usa_map/map_wyoming.gif';
    }
}

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