bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
    if ((bName == "Netscape" && bVer >= 3) || 
        (bName == "Microsoft Internet Explorer" && bVer >= 4)) version = "n3"; 
    else version = "n2";

// Create image objects, preload all active and inactive images.
    if (version== "n3") { 
        image0off = new Image();
        image0off.src = "../images/header/apple_lang_u.gif";
        image1off = new Image();
        image1off.src = "../images/header/apple_lang_u.gif";
        image2off = new Image();
        image2off.src = "../images/header/apple_link.gif";
        image3off = new Image();
        image3off.src = "../images/header/apple_link2.gif";
        image4off = new Image();
        image4off.src = "../images/header/apple_link3.gif";
        image5off = new Image();
        image5off.src = "../images/header/left_02.gif";
        image6off = new Image();
        image6off.src = "../images/header/left_03.gif";
        image7off = new Image();
        image7off.src = "../images/header/left_04.gif";
        image8off = new Image();
        image8off.src = "../images/header/left_05.gif";
        image9off = new Image();
        image9off.src = "../images/header/left_11.gif";
        image10off = new Image();
        image10off.src = "../images/header/left_12.gif";
        image20off = new Image();
        image20off.src = "../images/header/apple_lang_u1.gif";
        image21off = new Image();
        image21off.src = "../images/header/apple_lang_u2.gif";
        image201off = new Image();
        image201off.src = "../images/header/apple_linkeng.gif";
        image301off = new Image();
        image301off.src = "../images/header/apple_link2eng.gif";				
        image401off = new Image();
        image401off.src = "../images/header/apple_link3eng.gif";				
        image501off = new Image();
        image501off.src = "../images/header/left_02eng.gif";
        image601off = new Image();
        image601off.src = "../images/header/left_03eng.gif";
        image701off = new Image();
        image701off.src = "../images/header/left_04eng.gif";
        image801off = new Image();
        image801off.src = "../images/header/left_05eng.gif";		
        image901off = new Image();
        image901off.src = "../images/header/left_11eng.gif";		
        image1001off = new Image();
        image1001off.src = "../images/header/left_12eng.gif";
        image1002off = new Image();
        image1002off.src = "../images/header/left_20.gif";		

        image0on = new Image();
        image0on.src = "../images/header/apple_lang.gif";
        image1on = new Image();
        image1on.src = "../images/header/apple_lang.gif";
        image2on = new Image();
        image2on.src = "../images/header/apple_link_in.gif";
        image3on = new Image();
        image3on.src = "../images/header/apple_link_in2.gif";
        image4on = new Image();
        image4on.src = "../images/header/apple_link_in3.gif";
        image5on = new Image();
        image5on.src = "../images/header/left_02_in.gif";
        image6on = new Image();
        image6on.src = "../images/header/left_03_in.gif";
        image7on = new Image();
        image7on.src = "../images/header/left_04_in.gif";
        image8on = new Image();
        image8on.src = "../images/header/left_05_in.gif";
        image9on = new Image();
        image9on.src = "../images/header/left_11_in.gif";
        image10on = new Image();
        image10on.src = "../images/header/left_12_in.gif";
        image20on = new Image();
        image20on.src = "../images/header/apple_lang1.gif";
        image21on = new Image();
        image21on.src = "../images/header/apple_lang1.gif";
        image201on = new Image();
        image201on.src = "../images/header/apple_link_ineng.gif";
        image301on = new Image();
        image301on.src = "../images/header/apple_link_in2eng.gif";
        image401on = new Image();
        image401on.src = "../images/header/apple_link_in3eng.gif";						
        image501on = new Image();
        image501on.src = "../images/header/left_02_ineng.gif";
        image601on = new Image();
        image601on.src = "../images/header/left_03_ineng.gif";
        image701on = new Image();
        image701on.src = "../images/header/left_04_ineng.gif";
        image801on = new Image();
        image801on.src = "../images/header/left_05_ineng.gif";		
        image901on = new Image();
        image901on.src = "../images/header/left_11_ineng.gif";
        image1001on = new Image();
        image1001on.src = "../images/header/left_12_ineng.gif";
        image1002on = new Image();
        image1002on.src = "../images/header/left_20_in.gif";		
}

function img_on(imgName) {
        if (version == "n3") {
				imgOn = eval(imgName + "on.src");
				document.images[imgName].src = imgOn;
        }
}

function img_off(imgName) {
        if (version == "n3") {
				imgOff = eval(imgName + "off.src");
				document.images[imgName].src = imgOff;
        }
}