分页js

<%}else{%>
<table width="100%">
  <tr>
  <td width="218" align="left" style="padding-top:5px;">总页数：<font style="color:#FF0000;">0</font>&nbsp;页 总记录数：<font style="color:#FF0000;">0</font>&nbsp;条</td>
  <td>
  <div>
    <span class="current">|&lt;&lt;</span>
    <span>1</span>
    <span class="current">&gt;&gt;|</span>
    </div>
    </td>
    <td width="35" style="border-top: 0px dotted rgb(204, 204, 204); padding-top:5px;"><input name="text" type="text"  style="width: 35px; height: 22px; text-align: center; line-height: 22px; border:#AACDE9 1px solid ;" value="" /></td>
    <td width="22" align="right" style=" padding:0; border-top: 0px dotted rgb(204, 204, 204); padding-top:5px;"><input type="button" style="color: rgb(15, 112, 145); background: url(&quot;<%=path %>/www/marketingcenter/images/go.gif&quot;) no-repeat scroll center top transparent; height: 22px; width: 22px; font-size: 12px; cursor: pointer;" onclick="getPageNum();" value="GO"/></td>
  </tr>
</table>
   <%}%>
<script type="text/javascript">
function getPageNum(url,total)
{
   var clentWidth = (document.body.offsetWidth - 380)/2;
   var pageIndex =  document.getElementById("pageNum").value;
   if(null == url || '' == url)
   {
      return;     
   }
   try
   {
      if('' == pageIndex)
      {
          ymPrompt.alert({title:'信息提示',message:'请输入要跳转的页面!',width:320,height:135,winPos:[clentWidth,150]}); 
  document.getElementById("pageNum").value="";
  return;
      }
      var regNum = /^\+?[1-9][0-9]*$/;
      if(!regNum.test(pageIndex))
  {
  ymPrompt.alert({title:'信息提示',message:'您输入的页数为非正整数，请重新输入!',width:320,height:135,winPos:[clentWidth,150]}); 
  document.getElementById("pageNum").value="";
  return;
  }
  else if(parseInt(pageIndex) > total)
      {
          pageIndex = total;
      }
      else if(parseInt(pageIndex) < 1)
      {
          pageIndex = 1;
      }
   }
   catch(e)
   {
        pageIndex = 1;
   }
   window.location.href = url + pageIndex;  
}
</script>