Кину на всякий случай мой код ajax
function ajaxGet(url, name, subname, article, price, count, product, radio, text, img, images, specs, callback){
var request = new XMLHttpRequest();
request.onreadystatechange = function(){
if (request.readyState == 4 && request.status == 200){
if(callback) callback(JSON.parse(request.responseText));
}
}
request.open('POST', url);
request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
request.send("name="+name+"&subname="+subname+"&article="+article+"&count="+count+"&product="+product+"&radio="+radio+"&text="+text+"&img="+img+"&images="+images+"&specs="+specs);
}