var productConfirmValueWrongCount = 0;
  var commentSubmitted = false;
  
  String.prototype.trim = function () {
      return this.replace(/^\s*/, "").replace(/\s*$/, "");
  }

  var checkCommentSubmit = function (productID){
    var msg = "";
    var rv = true;
    var confirmvalue = 0;
    var comment_text = "";
    var comment_name = "";
    var comment_city = "";
    var comment_type = "";
    var comment_ref_id = "";
    var comment_date = "";
    var comment_descr = "";
    var confirm_value = "";

    // prevent a double submit
    if (commentSubmitted) {
      return false;
    }

    comment_text = document.forms['prsc_insert'].elements['PRODUCT_COMMENT.TEXT'].value;
    comment_name = document.forms['prsc_insert'].elements['PRODUCT_COMMENT.NAME'].value;
    comment_city = document.forms['prsc_insert'].elements['PRODUCT_COMMENT.CITY'].value;
    comment_type = document.forms['prsc_insert'].elements['PRODUCT_COMMENT.TYPE'].value;
    comment_ref_id = document.forms['prsc_insert'].elements['PRODUCT_COMMENT.REF_ID'].value;
    comment_date = document.forms['prsc_insert'].elements['ZA_ARTICLE.ARTICLE_DATE'].value;
    comment_descr = document.forms['prsc_insert'].elements['ZA_ARTICLE.DESCR'].value;
    confirm_value = document.forms['prsc_insert'].elements['confirm_value'].value;

    if (comment_text == "") {
      msg += "You must provide a comment.\n";
    }
    else if (comment_text.length > 2500) {
      msg += "Your comment must not exceed 2500 characters.  Please shorten your comment by " + (document.forms['prsc_insert'].elements['PRODUCT_COMMENT.TEXT'].value.length - 2500) + " characters.\n";
    }
    if (document.forms['prsc_insert'].elements['PRODUCT_COMMENT.NAME'].value == "") {
      msg += "You must provide your first name.\n";
    }
    if (document.forms['prsc_insert'].elements['PRODUCT_COMMENT.CITY'].value == "") {
      msg += "You must provide your hometown.\n";
    }
    if (document.forms['prsc_insert'].elements['confirm_value'].value.trim() != "12") {
      msg += "Your answer to What is eight plus four? is not correct.\n";
      productConfirmValueWrongCount++;
      if (productConfirmValueWrongCount > 5) {
        productConfirmValueWrongCount=0; 
        document.location = "http://www.competitivecyclist.com/za/CCM?PAGE=HOME";
      }
    }

    if (msg != "") {
      alert("Your form has the following problems:\n\n" + msg);
      rv = false;
    }
    else {
      commentSubmitted= true;
      var url = "/za/CCM";
      var pars = "&OPTION=COMMENT_INSERT&PRODUCT_COMMENT.TEXT=" + comment_text + "&PRODUCT_COMMENT.NAME=" + comment_name + "&PRODUCT_COMMENT.CITY=" + comment_city +
            "&PRODUCT_COMMENT.TYPE=" + comment_type + "&PRODUCT_COMMENT.REF_ID=" + comment_ref_id + "&ZA_ARTICLE.ARTICLE_DATE=" + comment_date +
            "&ZA_ARTICLE.DESCR=" + comment_descr + "&confirm_value=" + confirm_value + "&rand=" + Math.floor(Math.random()*10000001);
      var myAjax = new Ajax.Request( url, { method: 'post', parameters: pars, onComplete: dbUpdateComplete(productID)});
    }
  }

  var dbUpdateComplete = function (productID){
    setTimeout("getComments('','YES'," + productID + ")", 3000);
    //getComments('','YES',productID);
  }

  var getComments = function (page,refresh,productID){
    var url = "/za/CCM";
    var pars = "PAGE=PRODUCT_COMMENTS&PAGE_NUM=" + page + "&PRODUCT.ID=" + productID + "&REFRESH_COMMENTS=" + refresh +
               "&PRSET_VERSION=" + 4 + "&rand=" + Math.floor(Math.random()*10000001);
    var myAjax = new Ajax.Request( url, { method: 'post', parameters: pars, onComplete: getCommentsComplete});
  }

  var getCommentsComplete = function (request){
    $('product_comments').innerHTML = request.responseText;
    clearDataEntered();
  }

  var focusToCommentText = function (){
   document.getElementById('add_Comment').focus();
  }

  var clearDataEntered = function (){
    document.forms['prsc_insert'].elements['PRODUCT_COMMENT.TEXT'].value = "";
    document.forms['prsc_insert'].elements['PRODUCT_COMMENT.NAME'].value = "";
    document.forms['prsc_insert'].elements['PRODUCT_COMMENT.CITY'].value = "";
    document.forms['prsc_insert'].elements['confirm_value'].value = "";
  }