// preload images
var img1 = new Image();
img1.src = "mp2_graphics/c0_arhcive_off.gif";
var img2 = new Image();
img2.src = "mp2_graphics/c0_archive_on.gif";
var img3 = new Image();
img3.src = "mp2_graphics/c0_forum_on.gif";
var img4 = new Image();
img4.src = "mp2_graphics/c0_forum_off.gif";
var img5 = new Image();
img5.src = "mp2_graphics/c0_store_on.gif";
var img6 = new Image();
img6.src = "mp2_graphics/c0_store_off.gif";
var img7 = new Image();
img7.src = "mp2_graphics/c0_road_off.gif";
var img8 = new Image();
img8.src = "mp2_graphics/c0_road_on.gif";
var img9 = new Image();
img9.src = "mp2_graphics/c0_subscribe_off.gif";
var img10 = new Image();
img10.src = "mp2_graphics/c0_subscribe_on.gif";
var img11 = new Image();
img11.src = "mp2_graphics/c0_donate_off.gif";
var img12 = new Image();
img12.src = "mp2_graphics/c0_donate_on.gif";
var img13 = new Image();
img13.src = "mp2_graphics/c0_contact_off.gif";
var img14 = new Image();
img14.src = "mp2_graphics/c0_contact_on.gif";
var img15 = new Image();
img15.src = "mp2_graphics/c0_about_off.gif";
var img16 = new Image();
img16.src = "mp2_graphics/c0_about_on.gif";

function rollOver1(objName, imgName, statusMsg) {
	document.images[objName].src = eval(imgName).src;
	window.status = statusMsg;
	return true;
}

function yourOS() {
    var ua = navigator.userAgent.toLowerCase();
    if (ua.indexOf("linux") != -1 || ua.indexOf("mac") != -1) {
        return "linux";
    } 
}

var os = yourOS();