// hlavní menu

// image preloader
image1 = new Image();
image1.src = 'images/btn_home_over.jpg';

image2 = new Image();
image2.src = 'images/btn_onas_over.jpg';

image3 = new Image();
image3.src = 'images/btn_clenove_over.jpg';

image4 = new Image();
image4.src = 'images/btn_aktuality_over.jpg';

image5 = new Image();
image5.src = 'images/btn_stanovy_over.jpg';

image6 = new Image();
image6.src = 'images/btn_kontakt_over.jpg';

image7 = new Image();
image7.src = 'images/top_over.gif';

image8 = new Image();
image8.src = 'images/btn_vice_over.jpg';


//change function
function changeimg(filename, imagename){
  	document.images[imagename].src = filename;
}