function DisplayMainMenu(){
        if((e = document.getElementById('menu')) != undefined){
            e.innerHTML = 
            '<ul>'
            + '<li onmouseover="rollOver(this);" onmouseout="rollOff(this);"><a href="obchodna_cinnost.html" onclick="ShowWin(this.href,750,300); return false;">obchodná činnosť</a>'
                + '<ul>'
                    + '<li class="first"><a href="kuchyne.html">kuchyne</a></li>'
                    + '<li><a href="dvere.html">dvere</a></li>'
                    + '<li><a href="podlahy.html">podlahy</a></li>'
                    + '<li><a href="schody.html">schody</a></li>'
                + '</ul>'
            + '</li>'
            + '<li onmouseover="rollOver(this);" onmouseout="rollOff(this);"><a href="realizacie.html" onclick="ShowWin(this.href,750,350); return false;">realizácie interiérov</a></li>'
            + '<li onmouseover="rollOver(this);" onmouseout="rollOff(this);"><a href="#">referencie</a>'
                + '<ul>'
                    + '<li class="first"><a href="referencie_realizacie.html">realizácie interiérov</a></li>'
                    + '<li><a href="referencie_obchod.html">obchodná činnosť</a></li>'
                + '</ul>'
            + '</li>'
            + '<li onmouseover="rollOver(this);" onmouseout="rollOff(this);"><a href="aktuality.html">aktuality</a></li>'
            + '<li onmouseover="rollOver(this);" onmouseout="rollOff(this);"><a href="novinky.html">pripravované realizácie</a></li>'
            + '<li onmouseover="rollOver(this);" onmouseout="rollOff(this);"><a href="ocenenie.html">ocenenie</a></li>'
            + '<li onmouseover="rollOver(this);" onmouseout="rollOff(this);"><a href="kontakty.html">kontakty</a></li>'
            + '</ul>';
        }
    }
    
    function DisplayTopImages(){
        if((e = document.getElementById('images')) != undefined){
            e.innerHTML =
            '<div class="padding">'
               + '<div class="image2"><h2>realizácie interiérov na kľuč</h2></div>'
               + '<div class="image1"><h2>obchodná a montážna činnosť</h2></div>'
            + '</div>';
        }
    }
    
    addLoadEvent(DisplayTopImages);
    addLoadEvent(DisplayMainMenu);
    
    function addLoadEvent(func){	
        var oldonload = window.onload;
        if (typeof window.onload != 'function'){
            window.onload = func;
        } else {
            window.onload = function(){
                oldonload();
                func();
            }
        }
    }