var clicked = "";
var gtype = ".gif";
var selstate="_over";

if (typeof(loc)=="undefined" || loc=="") {
  var loc="../img/";
  if (document.body && document.body.innerHTML) {
    var tt=document.body.innerHTML;
    var ml=tt.match(/["']([^'"]*)menu.js["']/i);
    if(ml && ml.length > 1) loc=ml[1];
  }
}

/*
document.write("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr>");
document.write("<td><img src=\"" + loc + "menu_left" + gtype + "\" alt=\"\" width=\"57\" height=\"23\"></td>");
*/
document.write("<img src=\"" + loc + "menu_left" + gtype + "\" alt=\"\" width=\"18\" height=\"40\">");

tr(false);
writeButton(loc + "../", "index.php?page=upravy", "menu_b1", 120, 44, "Stavby, přestavby, úpravy", "", 0);
writeButton(loc + "../", "index.php?page=dily", "menu_b2", 120, 44, "Díly, doplňky", "", 0);
writeButton(loc + "../", "index.php?page=autodily", "menu_b3", 120, 44, "Autodoplňky", "", 0);
writeButton(loc + "../", "index.php?page=katalogy", "menu_b4", 120, 44, "Objednávky z katalogů", "", 0);
writeButton(loc + "../", "index.php?page=napsali_o_nas", "menu_b5", 120, 44, "Napsali o nás", "", 0);
writeButton(loc + "../", "index.php?page=kontakt", "menu_b6", 120, 44, "Kontakt", "", 0);
tr(true);

/*
document.write("<td><img src=\"" + loc + "menu_right" + gtype + "\" alt=\"\" width=\"57\" height=\"23\"></td>");
document.write("</tr></table>");
document.write("<img src=\"" + loc + "menu_right" + gtype + "\" alt=\"\" width=\"57\" height=\"23\"></td>");
*/

loc="";

function tr(b) {
}

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 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;
  }
}

function evs(name) {
  return " 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) {
    if(typeof(clx) != "undefined") {
      target = "";
      url = " href=\"?" + clx + "\"";
      alt=" alt=\"Click to edit\"";
    }
    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) {
  var p=str.lastIndexOf(':');
  if(p>0)str=str.substr(p+1,str.length-1);
  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) fstr=str.indexOf(".php");
  if(fstr==-1) fstr=str.indexOf(".jsp");
  if(fstr==-1) fstr=str.indexOf(".txt");
  if(fstr<1&&str.charAt(str.length-1)!='/') str += "/";
  var current=document.location.href.toLowerCase();
  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)fcurrent=current.indexOf(".php");
  if(fcurrent==-1) fcurrent=current.indexOf(".jsp");
  if(fcurrent==-1) fcurrent=current.indexOf(".txt");
  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;
}
