url = location + ''
ar_url = url.split('/')
pagina = ar_url[ar_url.length-1]
pagina = pagina.split('?')[0]
if (pagina == 'home.html') document.getElementById('menu').style.backgroundColor='#0a0a0a'
if (pagina == 'artists.html') document.getElementById('menu1').style.backgroundColor='#0a0a0a'
if (pagina == 'onshow.html') document.getElementById('menu2').style.backgroundColor='#0a0a0a'
if (pagina == 'pastshow.html') document.getElementById('menu3').style.backgroundColor='#0a0a0a'
if (pagina == 'gallery.html') document.getElementById('menu4').style.backgroundColor='#0a0a0a'
if (pagina == 'info.html') document.getElementById('menu5').style.backgroundColor='#0a0a0a'
if (pagina == 'contact.html') document.getElementById('menu6').style.backgroundColor='#0a0a0a'
if (pagina == 'mostra.html') document.getElementById('menu7').style.backgroundColor='#0a0a0a'