Question about Ajax

I'm learning Ajax at the moment. The code below basically receives the echo from the PHP and then puts it in element id games.

My question is, if I wanted to have Ajax send 3 different HTTP requests to 3 different PHP scripts and if I wanted to retrieve data from each one and then put it in 3 different element id's then would I make 3 copies of this same function? I would imagine that there should be a more efficient way.

function showHint(str) {
    if (window.XMLHttpRequest) {
        xmlhttp=new XMLHttpRequest();
    } else {
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }

    xmlhttp.onreadystatechange=function() {
        if (xmlhttp.readyState==4 && xmlhttp.status==200) {
            document.getElementById("games").innerHTML=xmlhttp.responseText;
        }
    }
    xmlhttp.open("GET","hw9.database.php?name="+str,true);
    xmlhttp.send();
}

There is no need to do that. You just have to parameterize the function:

function showHint(elementid,url,str) {

    if (window.XMLHttpRequest) {
        xmlhttp=new XMLHttpRequest();
    } else {
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }

    xmlhttp.onreadystatechange=function() {
        if (xmlhttp.readyState==4 && xmlhttp.status==200) {
            document.getElementById(elementid).innerHTML=xmlhttp.responseText;
        }
    }
    xmlhttp.open("GET",url+str,true);
    xmlhttp.send();
}