function createHttpRequest() {
    var httpRequest;
    var browser = navigator.appName;
    if (browser == "Microsoft Internet Explorer") {
        httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
    } else { httpRequest = new XMLHttpRequest(); }
    return httpRequest;      }
	
function sendRequest(file, _resultId, getRequestProc) {
    resultId = _resultId;
    document.getElementById('content_gallery').innerHTML = 'Loading...';
    httpRequest.open('get', file);
    httpRequest.onreadystatechange = getRequestProc;
    httpRequest.send(null);
} 
function getRequest() {
    if (httpRequest.readyState == 4) {
        document.getElementById('content_gallery').innerHTML = httpRequest.responseText; }
}
var httpRequest = createHttpRequest();
var resultId = '';