client/js/upload-handler/form.upload.handler.js
function initIframeForUpload(name) {
        var iframe = qq.toElement("<iframe src='javascript:false;' name='" + name + "' />");

        iframe.setAttribute("id", name);

        iframe.style.display = "none";
        document.body.appendChild(iframe);

        return iframe;
    }
function initIframeForUpload(name) {
        var iframe = qq.toElement("<iframe src='javascript:false;' name='" + name + "' />");

        iframe.setAttribute("id", name);

        iframe.style.display = "none";
        document.body.appendChild(iframe);

        return iframe;
    }
function initIframeForUpload ( name ) { var iframe = qq . toElement ( "<iframe src='javascript:false;' name='" + name + "' />" ) ; iframe . setAttribute ( "id" , name ) ; iframe . style . display = "none" ; document . body . appendChild ( iframe ) ; return iframe ; }
Generates an iframe to be used as a target for upload-related form submits.  This also adds the iframe
to the current `document`.  Note that the iframe is hidden from view.

@param name Name of the iframe.
@returns {HTMLIFrameElement} The created iframe
Generates an iframe to be used as a target for upload - related form submits . This also adds the iframe to the current document . Note that the iframe is hidden from view .