function createpagehtml(_npagecount, _ncurrindex, _spagename) {
    var pagestr = "";
    var lastindex = _npagecount - 1; //最后一页
    if (_npagecount == null || _npagecount <= 1) {
        return;
    }
    var ncurrindex = _ncurrindex || 0;
    pagestr += "<a class=\"page_first\" href=\"" + _spagename + "1.html\">首页</a> "; //首页
    //上一页
    if (ncurrindex == 0)
        pagestr += "<a href=\"javascript:void(0)\" >上一页</a>";
    else{
		
		if(ncurrindex==1){
			pagestr += "<a href=\"" + _spagename  + "1.html\">上一页</a>";
		}else{
            pagestr += "<a href=\"" + _spagename  + (ncurrindex)  + ".html\">上一页</a>";
		}
	}
    //上一页
    //点分页
    if (lastindex <= 10) {

        if (ncurrindex == 0)
            pagestr += "<span>1</span>";
        else
            pagestr += "<a href=\"" + _spagename  + "1.html\">1</a>";

        for (var i = 1; i < _npagecount; i++) {
            if (ncurrindex == i)
                pagestr += "<span>" + (i + 1) + "</span>";

            else
                pagestr += "<a href=\"" + _spagename + (i+1) + ".html\">" + (i + 1) + "</a>";

        }
    } else {
        var n = 5; //设定前后显示几个
        if (ncurrindex <= n) {
            if (ncurrindex == 0)
                pagestr += "<span>1</span>";
            else
                pagestr += "<a href=\"" + _spagename +"\">1</a>";

            for (var i = 1; i < 10; i++) {
                if (ncurrindex == i)
                    pagestr += "<span>" + (i + 1) + "</span>";

                else
                    pagestr += "<a href=\"" + _spagename + ( i+1)  + ".html\">" + (i + 1) + "</a>";

            }
        } else if (ncurrindex > _npagecount - n) {
            for (var i = _npagecount - 10; i < _npagecount; i++) {
                if (ncurrindex == i)
                    pagestr += "<span>" + (i + 1) + "</span>";

                else
                    pagestr += "<a href=\"" + _spagename +  ( i+1)   + ".html\">" + (i + 1) + "</a>";

            }
        } else {
            for (var i = ncurrindex - n; i < ncurrindex + n; i++) {
                if (ncurrindex == i)
                    pagestr += "<span>" + (i + 1) + "</span>";

                else
                    pagestr += "<a href=\"" + _spagename +  ( i+1)   + ".html\">" + (i + 1) + "</a>";

            }

        }

    }
    //点分页
    //下一页
    if (ncurrindex == lastindex)
        pagestr += "<a href=\"javascript:void(0)\" >下一页</a>";
    else
        pagestr += "<a href=\"" + _spagename + (ncurrindex + 2) + ".html\">下一页</a> &nbsp;";
    //下一页
    pagestr += "<a class=\"page_last\" href=\"" + _spagename +  (_npagecount)  + ".html\">尾页</a>"//尾页
    document.getelementbyid("pager").innerhtml = pagestr;
}