bulk delete kindle documents

Fion.deleteItem = function (contentName) {
    var asin = contentName.substring(11); // asin extracted from the argument
    var itemData = itemCache.getDataByASIN(asin); // the item in the library list
    // create vars to be sent in the ajax request to fiona-delete
    var lendingId = '';
    var lendingType = '';
    var lendingStatus = '';
    var loanId = '';
    // assign the above vars where appropriate
    if (itemData.loanId) {
        loanId = itemData.loanId;
    }

    if (itemData.category === "kindle_pdoc") {
        mykJS.log("pdocs", "delete");
    }

    var deleteSpanId = "deleteItemResp_" + asin; // id of the delete span in the actionMsgRow
    var deleteSpan = document.getElementById(deleteSpanId); // the delete span
    var sid = mykJS.sessionId;
    deleteSpan.innerHTML = mykJS.kindle_myk_popover_deleting_41283; // add message to the span
    deleteSpan.style.display = "block"; // display the message
    this.showActionMsgRow(deleteSpanId);


    var callback = function (resp) {
        var object;
        try {
            object = eval("(" + resp + ")");
        } catch (e) {
            return;
        }
        if (window.r-- == 1) {
            pageList.gotopage(window.p++);
            deleteAllOnPage();
        }
        if (object.error) // display the error in the action row
        {
            deleteSpan.innerHTML = "<span style=" + amznJQ.chars.DQUOTE + "color: #f00;" + amznJQ.chars.DQUOTE + ">" + object.error + "</span>";
            var actionMsgRowId = deleteSpan.parentNode.parentNode.getAttribute('id');
            window.setTimeout(function () {
                UtilitiesDom.hide(deleteSpanId);
                UtilitiesDom.hide(actionMsgRowId);
            }, 1500);
        } else {
            deleteSpan.innerHTML = "<span style=" + amznJQ.chars.DQUOTE + "color: green;" + amznJQ.chars.DQUOTE + ">" + mykJS.kindle_myk_popover_delete_success_18475 + "</span>";
        }
    }
    // string containing the key value pairs of args for the ajax request
    var ajaxMsgString = "contentName=" + asin + "&loanId=" + loanId + "&sid=" + sid + "&isAjax=1" + "&category=" + itemData.category + "&orderID=" + itemData.orderID;
    window.r++;
    Fion.gufsAjaxObj.makeRequest(ajaxMsgString, callback);
}
var deleteAllOnPage = function () {
    var v = new RegExp("PersonalDocuments");
    if (!v.test(document.URL)) {
        return false;
    } {
        a = document.getElementsByClassName('rowBodyCollapsed');
        for (var i = 0; i < a.length; i++) {
            console.log("deleting:" + a[i].getAttribute('asin'));
            Fion.deleteItem('deleteItem_' + a[i].getAttribute('asin'));
        };
        return;
    }
};
deleteAllOnPage();