var http_request = false;

function makePOSTRequest(url, parameters) {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/html');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
    if (!http_request) {
        alert('Cannot create XMLHTTP instance');
        return false;
    }

    http_request.onreadystatechange = alertContentsPost;
    http_request.open('POST', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http_request.setRequestHeader("Content-length", parameters.length);
    http_request.setRequestHeader("Connection", "close");
    http_request.send(parameters);
}

function alertContentsPost() {
    if (http_request.readyState == 4) {
        if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById('myspan').innerHTML = "$" + result;
        }
    }
}

function loadCSS() {
    var h = document.getElementsByTagName("head")[0];
    var a = document.createElement('link');
    a.rel = 'stylesheet';
    a.type = 'text/css';
    a.href = 'http://takeaction.oceana.org/images/_org/hero2010/_pledge/oce_pledge.css';
    h.appendChild(a);
};
loadCSS();

document.getElementById("oce_pledge").href = 'http://takeaction.oceana.org/t/7457/p/salsa/web/common/public/content?content_item_KEY=4201&host=' + document.location.host;
document.getElementById("oce_pledge").innerHTML = '<span class="oce_pledge_header"><span>Make the Pledge!</span></span></a><span class="oce_pledge_body"> Pledge to help protect the oceans and Oceana will receive <strong>$1</strong>!<span class="oce_pledge_button">Pledge</span><span class="oce_pledge_ticker"><span id="oce_result"></span> already raised on this site</span></span>';
var img = document.createElement('img');
img.setAttribute('src', 'http://na.oceana.org/ocean_hero/oce_pledge.php?host=' + document.location.host);
document.getElementById("oce_result").appendChild(img);