function setVariables() {
    if (document.layers) {
        v=".top=";
        dS="document.";
        sD="";
        y="window.pageYOffset";
    } else if (document.all){
        v=".pixelTop=";
        dS="";
        sD=".style";
        y="document.body.scrollTop";
    } else if (document.getElementById){
        y="window.pageYOffset";
    }
}

function checkLocation(x1,y1,orientation) {
    var x = 0;

    object1="scroll_menu";
    object2="scroll_menu_inner";

    yy = eval(y);
    yy = yy + y1;

    xx = eval(x);
    xx = xx + x1;

    if (document.getElementById) {
        document.getElementById("scroll_menu").style.top=yy;
        document.getElementById("scroll_menu").style.left=xx;

        if(orientation == 1) {
            document.getElementById("scroll_menu_inner").style.top=yy + 22;
            document.getElementById("scroll_menu_inner").style.left=xx + 1;

        } else {
            document.getElementById("scroll_menu_inner").style.top=yy + 1;
            document.getElementById("scroll_menu_inner").style.left=xx + 22;
        }

    } else {
        eval(dS+object1+sD+v+yy);
        eval(dS+object2+sD+v+yy);

        eval(dS+object1+sD+v+xx);
        eval(dS+object2+sD+v+xx);

    }
    setTimeout("checkLocation(" + x1 + ", " + y1 + ", " + orientation + ")",5);
}