var xmlDoc;
var imgId;

function loadXML(imgIdSent)
{

imgId = imgIdSent;
//load xml file
// code for IE
if (window.ActiveXObject)
{
	xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
	xmlDoc.async=false;
	xmlDoc.load("materials.xml");
	getmessage();
}
// code for Mozilla, Firefox, Opera, etc.
else if (document.implementation && document.implementation.createDocument)
{
	xmlDoc=document.implementation.createDocument("","",null);
	xmlDoc.load("materials.xml");
	xmlDoc.onload=getmessage;
}
else
{
	alert('Your browser cannot handle this script');
}
}

function getmessage()
{
document.getElementById("image").innerHTML=xmlDoc.getElementsByTagName("image")[imgId].firstChild.nodeValue
}