function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    } else {
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sendRequest(request) {
    http.open('GET', request);
	http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4) {
        var response = http.responseText; 
 		window.parent.document.getElementById('ArticleComments').innerHTML = response;
	}
}

function sendRequestGem(request) {
    http.open('GET', request);
	http.onreadystatechange = handleResponseGem;
    http.send(null);
}

function handleResponseGem() {
    if(http.readyState == 4) {
        var response = http.responseText; 
 		window.parent.document.getElementById('Window').innerHTML = response;
	}
}