function show(i)
{
artist=(x[i].getElementsByTagName("ARTIST")[0].childNodes[0].nodeValue);
title=(x[i].getElementsByTagName("TITLE")[0].childNodes[0].nodeValue);
year=(x[i].getElementsByTagName("YEAR")[0].childNodes[0].nodeValue);
country=(x[i].getElementsByTagName("COUNTRY")[0].childNodes[0].nodeValue);
company=(x[i].getElementsByTagName("COMPANY")[0].childNodes[0].nodeValue);
price=(x[i].getElementsByTagName("PRICE")[0].childNodes[0].nodeValue);
txt="Artist: "+artist+"<br />Title: "+title+"<br />Year: "+year+"<br />Country: "+country+"<br />Company: "+company+"<br />Price: "+price  ;
document.getElementById("show").innerHTML=txt;
}
 
function next()
{
  if (i<x.length-1)
  {
  i++;
  display();
  }
}

function previous()
{
  if (i>0)
  {
  i--;
  display();
  }
}