AJAX分页以及IFRAME载入

AJAX获取数据并分页显示

<ul class="movList" id="datalist">
            </ul>
                      <div id="multi_page">
           
            </div>
            <script language="javascript">
var pagesize=20;
var curr_page=1;
var count=1;
var setpages=6;
var multipage="";
function data(page){
      jQuery("#datalist").html('<div id="loading"><img src="/Public/images/loading_circle.gif" width="50" height="54" />载入中，请稍等,因访问量巨大，列表将在2秒左右打开……</div>');
      jQuery.getJSON('http://api.baomihua.com/video/GetChannelVideo?userid=11662088&channelid=657&pageid='+page+'&domain=v.zhiyin.cn&num='+pagesize+'&jsoncallback=?', function(data) {
              var html="";
              jQuery.each(data.ChannelVideo, function(key, val) {
                      html+="<li><a class=\"playpic\" href=\"/playbmh.php?videoid="+val.videoid+"\" target=\"_blank\"><b><img src=\""+val.videoimglink+"\"/></b></a><p class=\"mov-title\"><a title=\""+val.videotitle+"\" href=\"/playbmh.php?videoid="+val.videoid+"\" target=\"_blank\">"+val.videotitle+"</a></p></li>";
              });
              count=data.VideoNum;
              curr_page=page;
              jQuery("#datalist").html(html);
              //pages
              var multipage="";
              if(count > pagesize) {
                      pagem = setpages+1;
                      offset = Math.ceil(setpages/2-1);
                      pages = Math.ceil(count / pagesize);
                      //if (defined('IN_ADMIN') && !defined('PAGES')) define('PAGES', pages);
                      from = curr_page - offset;
                      to = curr_page + offset;
                      more = 0;
                      if(pagem >= pages) {
                              from = 2;
                              to = pages-1;
                      }
                      else {
                              if(from <= 1) {
                                      to = pagem-1;
                                      from = 2;
                              }
                              else if(to >= pages) {
                                      from = pages-(pagem-2);
                                      to = pages-1;
                              }
                              more = 1;
                      }
                      multipage += '<a class="a1">'+count+'条</a>';
                      //alert(curr_page);
                      if(curr_page>0) {
                              prepage=Math.max(curr_page-1,1);
                              nextpage=Math.min(curr_page+1,pages);
                              multipage += ' <a href="#" οnclick="data('+prepage+')" class="a1">上一页</a>';
                              if(curr_page==1) {
                                      multipage += ' <span>1</span>';
                              }
                              else if(curr_page>6 && more) {
                                      multipage += ' <a href="#" οnclick="data(1)">1</a>..';
                              }
                              else {
                                      multipage += ' <a href="#" οnclick="data(1)">1</a>';
                              }
                      }
                      for(i = from; i <= to; i++) {
                              if(i != curr_page) {
                                      multipage += ' <a href="#" οnclick="data('+i+')">'+i+'</a>';
                              } else {
                                      multipage += ' <span>'+i+'</span>';
                              }
                      }
                      if(curr_page<pages) {
                              if(curr_page<pages-5 && more) {
                                      multipage += ' ..<a href="#" οnclick="data('+pages+')">'+pages+'</a> <a href="#" οnclick="data('+nextpage+')" class="a1">下一页</a>';
                              }
                              else {
                                      multipage += ' <a href="#" οnclick="data('+pages+'">'+pages+'</a> <a href="#" οnclick="data('+nextpage+')" class="a1">下一页</a>';
                              }
                      }
                      else if(curr_page==pages) {
                              multipage += ' <span>'+pages+'</span> <a href="#" οnclick="data('+curr_page+')" class="a1">下一页</a>';
                      }
                      else {
                              multipage += ' <a href="#" οnclick="data('+pages+')">'+pages+'</a> <a href="#" οnclick="data('+nextpage+')" class="a1">下一页</a>';
                      }
              }
              jQuery("#multi_page").html(multipage);
              //pages end
      });
}
data(curr_page);
</script>

<div id="loading"><img src="/Public/images/loading_circle.gif" width="50" height="54" />载入中，请稍等，因访问量巨大，视频将在6秒左右打开……</div>
<iframe style="visibility:hidden" onreadystatechange=stateChangeIE(this) οnlοad=stateChangeFirefox(this) name="callframe" id="callframe" width="980" height="1300" frameborder="0" scrolling="no" marginheight="0" scrolling="no"></iframe>
<script language="javascript">
var videoid="<?php echo $videoid;?>";
var src = "http://video.baomihua.com/ssite/"+videoid+"&uid=48343307&istop=1";
function stateChangeIE(_frame)
{
if (_frame.readyState=="interactive")//state: loading ,interactive, complete
{
      var loader = document.getElementByIdx_x_x("loading");
      loader.innerHTML = "";
      loader.style.display = "none";
      _frame.style.visibility = "visible";
}
}
function stateChangeFirefox(_frame)
{
      var loader = document.getElementByIdx_x_x("loading");
      loader.innerHTML = "";
      loader.style.display = "none";
      _frame.style.visibility = "visible";
}
callframe.location.href=src;
</script>