var xmlDoc;
// code for IE
if (window.ActiveXObject)
{
xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
}
// code for Mozilla, Firefox, Opera, etc.
else if (document.implementation.createDocument)
{
xmlDoc=document.implementation.createDocument("","",null);
}
else
{
alert('Your browser cannot handle this script');
}

xmlDoc.async=false;
xmlDoc.load("catalog.xml");
var x=xmlDoc.getElementsByTagName("CD");
i=0;

function next()
{
if (i<x.length)
  {
  i++;
  display();
  }
}
function previous()
{
if (i>0)
  {
	i--;
	display();
  }
}

function display()
{
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);
image=(x[i].getElementsByTagName("IMAGE")[0].childNodes[0].nodeValue);
linkage=(x[i].getElementsByTagName("LINKAGE")[0].childNodes[0].nodeValue);

artist1=(x[i].getElementsByTagName("ARTIST1")[0].childNodes[0].nodeValue);
title1=(x[i].getElementsByTagName("TITLE1")[0].childNodes[0].nodeValue);
year1=(x[i].getElementsByTagName("YEAR1")[0].childNodes[0].nodeValue);
image1=(x[i].getElementsByTagName("IMAGE1")[0].childNodes[0].nodeValue);
linkage1=(x[i].getElementsByTagName("LINKAGE1")[0].childNodes[0].nodeValue);

document.getElementById("show").innerHTML="<table id='homepodvideo'><tr><td align='center'><a href='http://" + linkage +"'><div><img src="+ image +" vspace='3' hspace='3' width='280' height='100' id='photo' /><br /><br /><b>" + artist + "</b><br /><b>" + title + "</b><br /></div></a></td><td width='20'></td><td align='center'><a href='http://" + linkage1 +"'><div><img src="+ image1 +" vspace='3' hspace='3' width='280' height='100' id='photo' /><br /><br /><b>" + artist1 + "</b><br /><b>" + title1 + "</b><br /></div></a></td></tr></table>";
}