function createRequestObject(){
var request_;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
 request_ = new ActiveXObject("Microsoft.XMLHTTP");
}else{
 request_ = new XMLHttpRequest();
}
return request_;
}
var http = createRequestObject();
function getInfo(itemCode){
http.open('get', 'image.php?name=' + itemCode);

http.onreadystatechange = handleInfo;

http.send(null);
}
function handleInfo(){
//if(http.readyState == 1){
 //document.getElementById('my_div').innerHTML = 'Loading...';
//}
if(http.readyState == 4){

 var response = http.responseText;

 document.getElementById('my_div').innerHTML = response;
}
}