// hlavní menu

// image preloader
image1 = new Image();
image1.src = web_root+'images/'+lang+'_btn_funkce_over.png';

image2 = new Image();
image2.src = web_root+'images/'+lang+'_btn_registrace_over.png';

image3 = new Image();
image3.src = web_root+'images/'+lang+'_btn_podminky_over.png';

image4 = new Image();
image4.src = web_root+'images/'+lang+'_btn_spoluprace_over.png';

image5 = new Image();
image5.src = web_root+'images/'+lang+'_btn_blog_over.png';

image6 = new Image();
image6.src = web_root+'images/'+lang+'_btn_kampane_over.png';


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