function displ(nnn) {
if (document.getElementById(nnn).style.display == 'none')
{document.getElementById(nnn).style.display = 'block'}
else {document.getElementById(nnn).style.display = 'none'}
}


if (screen.width >= 1024) {document.write ('<ul class="big_menu">')}
    else {if (screen.width < 1024) {document.write ('<ul class="small-menu">')}
      else {document.write ('<ul class="small-menu">')
      }
    }