function showExchange(){
	if (httpRequest.readyState == 4){
		if (httpRequest.status == 200){
			document.getElementById('exchangeDiv').innerHTML = httpRequest.responseText;
            }
        }
	}

function showOil(){
	if (httpRequest2.readyState == 4){
		if (httpRequest2.status == 200){
			document.getElementById('pricesDiv').innerHTML = httpRequest2.responseText;
            }
        }
	}
	
function showAlu(){
	if (httpRequest3.readyState == 4){
		if (httpRequest3.status == 200){
			document.getElementById('aluDiv').innerHTML = httpRequest3.responseText;
            }
        }
	}

function showCop(){
	if (httpRequest4.readyState == 4){
		if (httpRequest4.status == 200){
			document.getElementById('copDiv').innerHTML = httpRequest4.responseText;
            }
        }
	}
	
var httpRequest;
var httpRequest2;
var httpRequest3;
var httpRequest4;

if (window.XMLHttpRequest) {
	httpRequest = new XMLHttpRequest();
	httpRequest2 = new XMLHttpRequest();
	httpRequest3 = new XMLHttpRequest();
	httpRequest4 = new XMLHttpRequest();
    if(httpRequest.overrideMimeType){
		httpRequest.overrideMimeType('text/xml');
		httpRequest2.overrideMimeType('text/xml');
		httpRequest3.overrideMimeType('text/xml');
		httpRequest4.overrideMimeType('text/xml');
        }
    }
 else if(window.ActiveXObject){
	try{
		httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
	try{
		httpRequest2 = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				httpRequest2 = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
	try{
		httpRequest3 = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				httpRequest3 = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
	try{
		httpRequest4 = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				httpRequest4 = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
     }

if (httpRequest) {
	httpRequest.onreadystatechange = showExchange;
	httpRequest2.onreadystatechange = showOil;
	httpRequest3.onreadystatechange = showAlu;
	httpRequest4.onreadystatechange = showCop;
	}




function init(){
	httpRequest4.open('GET', "http://www.otds.co.uk/interface/chart_cp.php", true);
	httpRequest4.send(null);
	httpRequest3.open('GET', "http://www.otds.co.uk/interface/chart_au.php", true);
	httpRequest3.send(null);
	httpRequest2.open('GET', "http://www.otds.co.uk/interface/prices.php", true);
	httpRequest2.send(null);
	httpRequest.open('GET', "http://www.otds.co.uk/interface/exchange.php", true);
	httpRequest.send(null);
	}