function _buildPageLink(htData){
        var welPageLink = $('<li class="page-num ikon">');

        if(htData.bActive){
            var welLink = $('<a pjax-page>');
            welLink.html(htData.sLinkHTMLOn);

            if(typeof htData.submit === 'function'){
                welLink.attr("href", "javascript: void(0);");
                welLink.on("click", function(){
                    htData.submit(htData.nSubmitPageNum);
                });
            } else {
                welLink.attr("href", htData.sLinkHref);
            }

            welPageLink.append(welLink);
        } else {
            welPageLink.html(htData.sLinkHTMLOff);
        }

        // if yobi.ShortcutKey exists
        if(yobi.ShortcutKey){
            var htKeyOpt = {};
            htKeyOpt[htData.sShortcutKey] = htData.sLinkHref;
            yobi.ShortcutKey.setKeymapLink(htKeyOpt);
        }

        return welPageLink;
    }
Build prev/next page link

@param htData
@returns {Wrapped Element}
@private