图片分页查看[原创]

<table height="120" border="0" align="center" cellpadding="5" cellspacing="0">
          <script language="javascript" type="text/javascript">
function int(I,k)
{
//define variable
var ff=0;
var j;
j=Math.round(I/k)-I/k;
if (j!=0){
ff=Math.round(I/k)+1;}
else
{
ff=Math.round(I/k);
}
return ff;
}
function querystring(qs){
s=location.href;
s=s.replace("?","?&").split("&");
re="";
for(i=1;i<s.length;i++){
if(s[i].indexOf(qs+"=")==0){
  re=s[i].replace(qs+"=","");
  }
}
  return re;
}
         var page=querystring("page")
         if(page==false){
page=1
}
          var maxperpage=4 //每页显示条数，这里每页显示4张
                  var totalimg=8 //一共有多少张图片这里共8张
                  var filename="list.htm" //这个文件的名称
                  var pagecounts
          var cnum,snum,onum,endnum,kstr
          var startnum=((page-1)*maxperpage);
          endnum=startnum+maxperpage;
          var x=0;
                  pagecounts=int(totalimg,maxperpage)
          if(page==pagecounts){
          endnum=((pagecounts-1)*maxperpage)+totalimg-(pagecounts-1)*maxperpage
          }
          for(k=startnum+1;k<=endnum;k++){
         kstr=k.toString();
         if(k<10){
         kstr="00"+kstr
         }
         else
         {
         kstr="0"+kstr
         }
          x+=1;
          //显示数据
          if(x%2==0){
          document.write("<td><img src=img/LX-"+kstr+".jpg width=230 height=290 onclick=javascrpt:window.open(this.src) style='cursor:hand'></td></tr>");
          }else{
          document.write("<tr><td><img src=img/LX-"+kstr+".jpg width=230 height=290 onclick=javascrpt:window.open(this.src) style='cursor:hand'></td>");
          }
          }
          </script>
            </table><table width="100%" height="23" border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td><label>
      <div align=center><span id="dinfo"></span><select name="select" onChange="location.href=this.options[this.selectedIndex].value">
        <script type="text/javascript" language="javascript">
document.getElementById("dinfo").innerHTML="共有<font color=red>"+totalimg.toString()+"</font>条记录 共<font color=red>"+pagecounts+"</font>页 每页<font color=red>"+maxperpage+"</font>条 ";
        for(y=1;y<=pagecounts;y++){
        if(page==y){
        document.write("<option value="+filename+"?page="+y+" selected>"+y+"</option>");
        }else{
        document.write("<option value="+filename+"?page="+y+">"+y+"</option>");
        }
        }
        </script>
        </select></div>
    </label></td>
  </tr>
</table>