function img_menu(img) {
  if(img.src.match(/^(.+)1\.(jpg|gif)$/gi)) {
    img.src = img.src.replace(/1\.(jpg|gif)/gi, '.$1');
  }//if(img.src.match(/1\.(jpg|gif)$/gi)) {
  else {
    img.src = img.src.replace(/\.(jpg|gif)/gi, '1.$1');
  }//if(img.src.match(/1\.(jpg|gif)$/gi)) else
}//function img_menu(img) {


function td_menu(td) {
  var td_src = '';
  if(td.getAttribute('background').match(/^(.+)1\.(jpg|gif)$/gi)) {
    td_src = td.getAttribute('background').replace(/1\.(jpg|gif)/gi, '.$1');
  }//if(img.src.match(/1\.(jpg|gif)$/gi)) {
  else {
    td_src = td.getAttribute('background').replace(/\.(jpg|gif)/gi, '1.$1');
  }//if(img.src.match(/1\.(jpg|gif)$/gi)) else
  td.setAttribute('background',td_src);
}//function td_menu(td) {



//Tworzenie w locie obrazków menu
imgs = document.getElementsByTagName('IMG');
for(i=0; i<imgs.length; i++) {
  if(imgs[i].id)
    if(imgs[i].id.match(/^(mnu|menu)/g)) {
      if(imgs[i].src.match(/^(.+)1\.(jpg|gif)$/gi)) {
        eval('mnu_imgs_'+i+' = new Image();');
        eval('mnu_imgs_'+i+'.src = "'+imgs[i].src.replace(/1\.(jpg|gif)/gi, '.$1')+'"');
      }//if(imgs[i].src.match(/1\.(jpg|gif)$/gi)) {
      else {
        eval('mnu_imgs_'+i+' = new Image();');
        eval('mnu_imgs_'+i+'.src = "'+imgs[i].src.replace(/\.(jpg|gif)/gi, '1.$1')+'"');
      }//if(imgs[i].src.match(/1\.(jpg|gif)$/gi)) else
    
      if(document.all) {
        imgs[i].onmouseover = function() {img_menu(this)}
        imgs[i].onmouseout = function() {img_menu(this)}
      }//if(document.all) {
      else if(document.getElementById) {
        imgs[i].setAttribute("onmouseover","img_menu(this)");
        imgs[i].setAttribute("onmouseout","img_menu(this)");
      }//else if(document.getElementById) {
    }//if(img.id.match(/^(mnu|menu)/g)) {
}//for(i=0; i<imgs.length; i++) {


//Tworzenie w locie TD menu
tds = document.getElementsByTagName('TD');
for(i=0; i<tds.length; i++) {
  if(tds[i].id)
    if(tds[i].id.match(/^(mnu|menu)/g)) {
      if(tds[i].getAttribute('background').match(/^(.+)1\.(jpg|gif)$/gi)) {
        eval('mnu_tds_'+i+' = new Image();');
        eval('mnu_tds_'+i+'.src = "'+tds[i].getAttribute('background').replace(/1\.(jpg|gif)/gi, '.$1')+'"');
      }//if(tds[i].src.match(/1\.(jpg|gif)$/gi)) {
      else {
        eval('mnu_tds_'+i+' = new Image();');
        eval('mnu_tds_'+i+'.src = "'+tds[i].getAttribute('background').replace(/\.(jpg|gif)/gi, '1.$1')+'"');
      }//if(tds[i].src.match(/1\.(jpg|gif)$/gi)) else
      
      if(document.all) {
        tds[i].onmouseover = function() {td_menu(this)}
        tds[i].onmouseout = function() {td_menu(this)}
      }//if(document.all) {
      else if(document.getElementById) {
        tds[i].setAttribute("onmouseover","td_menu(this)");
        tds[i].setAttribute("onmouseout","td_menu(this)");
      }//else if(document.getElementById) {
    }//if(img.id.match(/^(mnu|menu)/g)) {
}//for(i=0; i<tds.length; i++) {