var pager_en = "<a href='#' id='index'>&lt;&lt;first</a>&nbsp; <a href='#' onclick='javascript:if(!isindex){go(curpage-1)};return false;'>"
            + "&lt;previous</a>&nbsp; <a href='#' onclick='javascript:if(curpage!=maxpage){go(curpage+1)};return false;'>next&gt;</a>&nbsp;"
        + "<a href='#' onclick='javascript:go(maxpage);return false;'> last&gt;&gt;</a>&nbsp; <span id=\"pagingindex\">"
        +"</span>&nbsp; jumpto<input name=\"pagenav\" id=\"pagenav\" type=\"text\" size=\"2\" onkeypress=\"javascript:if(event.keycode==13){if(this.value!='')go(this.value);return false;}\" /> "
        +"<a href='#' onclick=\"javascript:go(document.getelementbyid('pagenav').value);return false;\"> go</a>";
var pager_rus = "<a href='#' id='index'>&lt;&lt;дома</a>&nbsp; <a href='#' onclick='javascript:if(!isindex){go(curpage-1)};return false;'>"
            + "&lt;предыдущий</a>&nbsp; <a href='#' onclick='javascript:if(curpage!=maxpage){go(curpage+1)};return false;'>следующий&gt;</a>&nbsp;"
        + "<a href='#' onclick='javascript:go(maxpage);return false;'> последний&gt;&gt;</a>&nbsp; <span id=\"pagingindex\">"
        + "</span>&nbsp; повернуть<input name=\"pagenav\" id=\"pagenav\" type=\"text\" size=\"2\" onkeypress=\"javascript:if(event.keycode==13){if(this.value!='')go(this.value);return false;}\" /> страница"
        + "<a href='#' onclick=\"javascript:go(document.getelementbyid('pagenav').value);return false;\">  идти</a>";
var pager_sp = "<a href='#' id='index'>&lt;&lt;casa</a>&nbsp; <a href='#' onclick='javascript:if(!isindex){go(curpage-1)};return false;'>"
            + "&lt;anterior</a>&nbsp; <a href='#' onclick='javascript:if(curpage!=maxpage){go(curpage+1)};return false;'>próximo&tt;</a>&nbsp;"
        + "<a href='#' onclick='javascript:go(maxpage);return false;'> últimos&gt;&gt;</a>&nbsp; <span id=\"pagingindex\">"
        + "</span>&nbsp; saltar<input name=\"pagenav\" id=\"pagenav\" type=\"text\" size=\"2\" onkeypress=\"javascript:if(event.keycode==13){if(this.value!='')go(this.value);return false;}\" /> página"
        + "<a href='#' onclick=\"javascript:go(document.getelementbyid('pagenav').value);return false;\"> ir</a>";

var lang = jq("#languageversion_rc").text();
switch (lang.tolowercase()) {
    case "en":
        changedisplaypagerlang(pager_en);
        break;
    case "ru":
        changedisplaypagerlang(pager_rus);
        break;
    case "sp":
        changedisplaypagerlang(pager_sp);
        break;
    default:
        break;
}

var docurl = document.location.href;                                  //当前url
var end = docurl.lastindexof("/");
var path = docurl.substring(0, end);                                  //获取当前文件所在路径
var realdocurl = docurl.substring(end);                               //获取当前文件url
var lasttoken = realdocurl.lastindexof("_");
var lastsuffix = realdocurl.lastindexof(".shtml");
var relativeurl = lasttoken > 0 ? realdocurl.substring(0, lasttoken) : realdocurl.substring(0, lastsuffix); //获取当前文件ｕｒｌ名称
var baseurl = path + relativeurl;                                    //分页基url
if (location.href.lastindexof(".shtml") < 0) {
    baseurl = baseurl + "/" + pagename;
}
var indexurl = lasttoken > 0 ? path + relativeurl + '.shtml' : path + realdocurl;  //首页url
document.getelementbyid("index").href = indexurl;                    //设置首页的url连接
var pager_p = document.getelementbyid('pager_p');
if (maxpage == 1) {
    pager_p.style.display = "none";
}
else {
    pager_p.style.display = "block";
}

var curpage = 1;
var showpages = 100;
var isindex = false;
if (end > 0) {
    if ((path+realdocurl) != indexurl && lasttoken > 0 && lastsuffix > 0 && lastsuffix > lasttoken) {
        curpage = realdocurl.substring(lasttoken + 1, lastsuffix);
        curpage = maxpage - curpage + 1;
    } else {
        isindex = true;
    }
}
if (isnan(curpage)) {
    curpage = 1;
}

//页码显示当前页所在位置 c/m 
var index = "<span><b>" + curpage + "/" + (maxpage > showpages ? showpages : maxpage) + "</b></span>";
document.getelementbyid("pagingindex").innerhtml = index; //输出信息区域

function go(page) {
    try {
        //var page = document.getelementbyid("pagenav").value;
        var url = '';
        if (page > 0 && page <= showpages) {
            page = maxpage - page + 1;
            if (page <= 0 || page == maxpage) {
                url = indexurl; ;
            } else {
                url = baseurl + '_' + page + '.shtml';
            }
            document.location.href = url;
            return true;
        } else if (page == maxpage) {
            if (maxpage > showpages) {
                url = baseurl + '_' + (maxpage - showpages + 1) + '.shtml';
            } else {
                url = baseurl + '_1.shtml';
            }
            document.location.href = url;
            return true;
        } else {
            return false;
        }
    } catch (e) {
        alert("sorry:" + e);
    }
    return false;
}

function changedisplaypagerlang(lang) {
    jq("#pager_p").html(lang);
}