var clicked=""
var gtype=".gif"
var selstate="_on"
if (typeof(loc)=="undefined" || loc==""){
    var loc=""
    if (document.body&&document.body.innerHTML){
        var tt = document.body.innerHTML.toLowerCase();
        var last = tt.indexOf("mainmenu.js\"");
        if (last>0){
            var first = tt.lastIndexOf("\"", last);
            if (first>0 && first<last) loc = document.body.innerHTML.substr(first+1,last-first-1);
        }
    }
}

document.write("<table border=\"0\" cellspacing=\"2\" cellpadding=\"0\"><tr>");
tr(false);
writeButton(loc+"","about.html","mainmenu_b1",128,33,"About Me","content",0);
writeButton(loc+"","code.html","mainmenu_b3",128,33,"My Code","content",0);
writeButton(loc+"","albums.php","mainmenu_b4",128,33,"Albums","_blank",0);
writeButton("","http://www.usssaginaw.org","mainmenu_b5",128,33,"USS Saginaw","_blank",0);
writeButton(loc+"","links.html","mainmenu_b6",128,33,"Links","content",0);
writeButton(loc+"","resume.html","mainmenu_b7",128,33,"My Resume","_blank",0);
tr(true);
document.write("</tr></table>")
pick("mainmenu_b1");
loc="";

function tr(b){if (b) document.write("<tr>");else document.write("</tr>");}

function turn_over(name) {
    if (document.images != null && clicked != name) {
        document[name].src = document[name+"_over"].src;
    }
}

function turn_off(name) {
    if (document.images != null && clicked != name) {
        document[name].src = document[name+"_off"].src;
    }
}

function pick(name) {
    if (document.images && name!="") document[name].src = document[name + "_on"].src;
    var t = clicked;
    clicked = name;
    if (t != "") turn_off(t);
}

function reg(gname,name)
{
if (document.images)
    {
    document[name+"_off"] = new Image();
    document[name+"_off"].src = loc+gname+gtype;
    document[name+"_over"] = new Image();
    document[name+"_over"].src = loc+gname+"_over"+gtype;
    document[name+"_on"] = new Image();
    document[name+"_on"].src = loc+gname+"_on"+gtype;
    }
}

function evs(name){ return " onClick=\"pick('"+ name + "')\" onmouseover=\"turn_over('"+ name + "')\" onmouseout=\"turn_off('"+ name + "')\""}

function writeButton(urld, url, name, w, h, alt, target, hsp)
{
    gname = name;
    while(typeof(document[name])!="undefined") name += "x";
    reg(gname, name);
    tr(true);
    document.write("<td>");
    if (alt != "") alt = " alt=\"" + alt + "\"";
    if (target != "") target = " target=\"" + target + "\"";
    if (w > 0) w = " width=\""+w+"\""; else w = "";
    if (h > 0) h = " height=\""+h+"\""; else h = "";
    var l = clicked!="" || !isCurrentFile(url);
    if (url != "") url = " href=\"" + urld + url + "\"";

    if (l) document.write("<a " + url + evs(name) + target + ">");
    else gname += selstate;

    gname += gtype;

    if (hsp == -1) hsp =" align=\"right\"";
    else if (hsp > 0) hsp = " hspace=\""+hsp+"\"";
    else hsp = "";

    document.write("<img src=\""+loc+gname+"\" name=\"" + name + "\"" + w + h + alt + hsp + " border=\"0\" />");

    if (l) document.write("</a>");

    document.write("</td>");
    tr(false);
}

function syncFile(f,nf)
{
    var matches = 'home.html*index.html*welcome.html*default.asp';
    var p = f.lastIndexOf('/');
    var sf = f;

    if (p >= 0) sf = f.substr(p+1, f.length-1);
    if (matches.indexOf(sf) == -1) return "";

    return sf;
}

function isCurrentFile(str)
{
    str = escape(str);
    str = str.toLowerCase();
    while (str.length > 3 && str.substring(0,3) == "../")
        str = str.substr(3, str.length-1);
    var fstr = str.indexOf(".htm");
    if (fstr == -1) fstr = str.indexOf(".asp");
    if (fstr < 1 && str.charAt(str.length-1) != '/') str += "/";
    var current = document.location.href.toLowerCase();
    var p = current.lastIndexOf('?');
    if (p > 0) current = current.substr(0, p);
    var fcurrent = current.indexOf(".htm");
    if (fcurrent == -1) fcurrent = current.indexOf(".asp");
    if (fcurrent < 1 && current.charAt(current.length-1) != '/') current += "/";
    if (fstr != -1 && fcurrent == -1) current += syncFile(str, current);
    if (fstr == -1 && fcurrent != -1) str += syncFile(current, str);

    var currsize = current.length;
    var strsize = str.length;

    while (strsize >=0 && currsize >=0)
    {
        if (current.charAt(currsize) != str.charAt(strsize))
            return false;

        currsize = currsize -1;
        strsize = strsize -1;
    }

    return true;
}