function btns_onclick(event) {
    pos_x = event.offsetX ? (event.offsetX) : event.pageX - document.getElementById("btns").offsetLeft;
    pos_y = event.offsetY ? (event.offsetY) : event.pageY - document.getElementById("btns").offsetTop;
    if (pos_x < 30) {
        window.location.assign("index.htm")
    } else if (pos_x < 64) {
        window.location.assign("/phpBB3/")
    } else {
        window.location.assign("sitemap.php")
    }
}
function menu_onmouseover(ctl, i) 
{
    ctl.src = "md" + i + ".png";
}
function menu_onmouseout(ctl, i) {
    ctl.src = "m" + i + ".png";
}
function doc_onload() {
    var1 = new Image();
    var1.src = "md1.png";
    var2 = new Image();
    var2.src = "md2.png";
    var3 = new Image();
    var3.src = "md3.png";
    var4 = new Image();
    var4.src = "md4.png";
    var5 = new Image();
    var5.src = "md5.png";
    var6 = new Image();
    var6.src = "md6.png";
    var7 = new Image();
    var7.src = "md7.png";
}