function loadSystemPrices(priceIDs,systemID,cachebuster){
if (typeof systemID == 'undefined'){
systemID=30000142;
}
if (typeof priceIDs == 'undefined'){
throw 'need typeids';
}
if (typeof cachebuster == 'undefined'){
cachebuster=1;
}
var prices = new Array();
var dirtyTypeIds = new Array();
var cleanTypeIds = new Array();
var url="http://api.eve-central.com/api/marketstat?cachebuster="+cachebuster+"&usesystem="+systemID+"&typeid=";
priceIDs.forEach (function (row) {
row.forEach ( function (cell) {
if (typeof(cell) === 'number' ) {
dirtyTypeIds.push(cell);
}
});
});
cleanTypeIds = dirtyTypeIds.filter(function(v,i,a) {
return a.indexOf(v)===i;
});
var parameters = {method : "get", payload : ""};

var o,j,temparray,chunk = 100;
for (o=0,j=cleanTypeIds.length; o < j; o+=chunk) {
temparray = cleanTypeIds.slice(o,o+chunk);
var xmlFeed = UrlFetchApp.fetch(url+temparray.join("&typeid="), parameters).getContentText();
var xml = XmlService.parse(xmlFeed);
if(xml) {
var rows=xml.getRootElement().getChild("marketstat").getChildren("type");
for(var i = 0; i < rows.length; i++) {
var price=[parseInt(rows[i].getAttribute("id").getValue()),
parseInt(rows[i].getChild("buy").getChild("volume").getValue()),
parseFloat(rows[i].getChild("buy").getChild("avg").getValue()),
parseFloat(rows[i].getChild("buy").getChild("max").getValue()),
parseFloat(rows[i].getChild("buy").getChild("min").getValue()),
parseFloat(rows[i].getChild("buy").getChild("stddev").getValue()),
parseFloat(rows[i].getChild("buy").getChild("median").getValue()),
parseFloat(rows[i].getChild("buy").getChild("percentile").getValue()),
parseInt(rows[i].getChild("sell").getChild("volume").getValue()),
parseFloat(rows[i].getChild("sell").getChild("avg").getValue()),
parseFloat(rows[i].getChild("sell").getChild("max").getValue()),
parseFloat(rows[i].getChild("sell").getChild("min").getValue()),
parseFloat(rows[i].getChild("sell").getChild("stddev").getValue()),
parseFloat(rows[i].getChild("sell").getChild("median").getValue()),
parseFloat(rows[i].getChild("sell").getChild("percentile").getValue())];
prices.push(price);
}
}
}
return prices;
}