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<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< html  xmlns ="http://www.w3.org/1999/xhtml" >
< head >
< meta  http-equiv ="Content-Type"  content ="text/html; charset=gb2312"   />
< title > HTMLTest8 </ title >
< script  type ="text/javascript" >
function  insertStr()
{
     var  f  =  document.form1;
     var  value  =  f.str.value;
     if (value  !=   "" )
     {
         var  text  =  document.createTextNode(value);
         var  td  =  document.createElement( " td " );
         var  tr  =  document.createElement( " tr " );
         var  tbody  =  document.createElement( " tbody " );
        td.appendChild(text);
        tr.appendChild(td);
        tbody.appendChild(tr);
         var  parNode  =  document.getElementById( " table1 " );
        parNode.insertBefore(tbody, parNode.firstChild);
    }
}
</ script >
</ head >

< body >
< form  name  = "form1"  method ="post"  action ="" >
     < input  name ="str"  type ="text"  id ="str"  value ="" >
     < input  name ="insert"  type ="button"  id ="insert"  value ="留言"  onclick ="insertStr()" >  
</ form >
< table  width ="400"  border ="1"  cellspacing ="0"  cellpadding ="0"  id ="table1" >
< tbody >
     < tr >
         < td  height ="25" > 网友留言列表： </ td >
     </ tr >
</ tbody >
</ table >
</ body >
</ html >