/*
 *  navmark.js
 *  Highlights the selected navigation item.
 *  Author: Thomas Jensen (c) 2006
 *  Creation Date: 04-Mar-2006
 */
function markit()
{
    var u = document.URL;
    var p = window.location.pathname;
    var n = u.charAt(u.length - 1);
    if (n < "1" || n > "5") {
        // not ending in a number, guess from file name
        if (p.indexOf("/index.shtml") >= 0 && p.indexOf("software/") < 0) { n = 1; }
        else if (p == "/") { n = 1; }
        else if (p.indexOf("/photos.shtml") >= 0) { n = 2; }
        else if (p.indexOf("/files.shtml") >= 0) { n = 3; }
        else if (p.indexOf("/software.shtml") >= 0) { n = 4; }
        else if (p.indexOf("/about.shtml") >= 0) { n = 5; }
        else { n = 0; }
    }
    for (var i = 1; i <= 5; i++)
    {
        if (i == n) {
            document.getElementById("ni" + i).className = "nav_imgsel";
            document.getElementById("nt" + i).className = "nav_textsel";
        }
        else {
            document.getElementById("ni" + i).className = "nav_img";
            document.getElementById("nt" + i).className = "nav_text";
        }
    }
}