function show(arg_foto)
{
var foto = "";
var flag = arg_foto;
if(flag == foto1){
foto = document.getElementById('foto1').value
}
if(flag == foto2){
foto = document.getElementById('foto2').value
}
if(flag == foto3){
foto = document.getElementById('foto3').value
}
    if (foto != "")
    {
        wnd=window.open("/prog/pl_editor/img_popup.php?img_url="+encodeURIComponent(foto+"|"), "binn_popup_image", "width=200,height='+screen.availHeight+',scrollbars=yes,toolbar=no,location=no,status=no,resizable=no,left=100,top=0");
        wnd.focus();
        wnd.resizeTo(screen.availHeight) 
    }
    else
        void(0);
}