function formuoti_pranesima(klaidos) {
    if (klaidos.length==1) 
        pranesimas = "Klaida!\n"+klaidos[0]+".";
    else {
        pranesimas = "Klaidos!"; 
        for (i=1; i<=klaidos.length; i++)
           pranesimas += "\n"+i+". "+klaidos[i-1]+".";
    }
    return pranesimas;
}


function show_submenu(subm, visible) {
    document.getElementById(subm).style.visibility = visible?'visible':'hidden';
}
function show_bigimage(img, title, w, h){
	window.open(root_url+'show_photo.php?img='+escape(img)+'&title='+title+'&w='+w+'&h='+h, '_image', 'width='+w+', height='+h+', top=10, left=10');
}