function shpic(path) {
picture = new Image();
picture.src = path;
ft = document.getElementById("vfot");
bt = document.getElementById("vbut");
ft.src='';
ft.style.display="block";
bt.style.display="block";
ft.src=picture.src;
}

function clpic() {
ft = document.getElementById("vfot");
bt = document.getElementById("vbut");
ft.style.display="none";
bt.style.display="none";
ft.src='';
//bt.src='';
}