获取html连接

<script language="javascript">
function oninitdoc(){
 var id,url;
 url = document.location.href;
 if(url.indexOf('?')!=-1){
  id = url.split('?')[1];
  if(id==1)document.all.mainframe.src='files/ljzk.htm';
  if(id==2)document.all.mainframe.src='files/bmlc.htm';
  if(id==3)document.all.mainframe.src='files/xxgc.htm';  
  if(id==4)document.all.mainframe.src='files/wjcl.htm';  
  if(id==6)document.all.mainframe.src='files/blzk.htm';
  if(id==7)document.all.mainframe.src='files/mkzc.htm';
  if(id==8)document.all.mainframe.src='files/bysx.htm';
  if(id==9)document.all.mainframe.src='files/qdxw.htm';
 }
}
oninitdoc();
</script>

 

如：http://www.xoozu.com/index.html?343