function showPrice(strCourse, strAffiliate, strElement) {
        var xmlhttp;
        if (window.XMLHttpRequest) {
            //if IE 7, Mozilla, Safari, Opera, etc.
            xmlhttp = new XMLHttpRequest();
        }
        else if (window.ActiveXObject) {
            //use the ActiveX control for IE 5.x and IE 6
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
        xmlhttp.open('GET', '../getprice.asp?c=' + strCourse + '&a=' + strAffiliate, false);
        xmlhttp.send();
        document.getElementById(strElement).innerHTML = '$' + xmlhttp.responseText;
    }