function bodyinfo(page){
     var xmlhttp;
	var str =null; 
	document.getElementById("bodyinfo").innerHTML="<img src='images/loading.gif' width='16' height='16'/> 正在读取数据....";
   try{
             xmlhttp=new XMLHttpRequest();
           }catch(e){
             xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
           }
		 xmlhttp.onreadystatechange=function(){
          if (xmlhttp.readyState==4){
              if (xmlhttp.status==200){		
			   str = xmlhttp.responseText;		
			   document.getElementById("bodyinfo").innerHTML=str;	
			   }else{
			   alert("系统错误,如有疑问,请与管理员联系!");
			 }
          }
       }
	  xmlhttp.open("post","bodyinfo.asp",true);
      xmlhttp.setRequestHeader('content-type','application/x-www-form-urlencoded');
      xmlhttp.send("page="+page); 	  
 }