js动态增加一组输入框
    <html> 
<head> 
<script type="text/javascript"> 
var index; 
index = 2; 
//新增一条参数信息
function addParamConf(){ 
  s1 = "<input name='paramName"+index+"' class='style1' id='paramName"+index+"' dataType='Require' msg='参数名称不允许为空' type='text'  style='width:100%' value=''>"; 
  s2 = "<input name='paramValue"+index+"' class='style1' id='paramValue"+index+"' dataType='Require' msg='参数值不允许为空' type='text' style='width:100%' value=''>"; 
  s3 = "<input name='description"+index+"' class='style1' id='description"+index+"' type='text' style='width:100%' value=''>"; 
  s4 = "<a href=javascript:deleteParamConf('"+index+"')>删除</a>"; 
  arow = ParamConf.insertRow(); 
  arow.id="ParamConf"+index; 
  c1 = arow.insertCell(); 
  c1.align="center"; 
  c1.className='td_rb'; 
  c1.innerHTML=s1;   
  c2 = arow.insertCell(); 
  c2.align="center"; 
  c2.className='td_rb'; 
  c2.innerHTML=s2;   
  c3 = arow.insertCell(); 
  c3.align="center"; 
  c3.className='td_rb'; 
  c3.innerHTML=s3;   
  c4 = arow.insertCell(); 
  c4.align="center"; 
  c4.className='td_rb'; 
  c4.innerHTML=s4;  
  index = index+1; 
   //window_resize(); 
//initWindow(true); 
} 
//删除行 
function deleteParamConf(index){ 
  if(window.confirm('确定要删除这条记录吗?')){ 
ParamConf.deleteRow(document.getElementById("ParamConf"+index).rowIndex); 
this.index = this.index - 1;
  } 
} 
</script> 
<title>147</title> 
</head> 
<body> 
<table id="ParamConf" name="ParamConf" align="center" width="100%" border="1" style="border-collapse:collapse" bordercolor="#99CCFF" class="style1"> 
<form name="mobileParamForm" method="post" action=""> 
  <tr align="center"> 
    <td width="25%">id</td> 
    <td width="25%">名称</td> 
    <td width="40%">职务</td> 
<td width="10%"><a href="javascript:addParamConf();">增加</a></td> 
  </tr>   
<tr id="ParamConf1"> 
  <td><input name="paramName1" class='style1' id="paramName1" type="text"  style="width:100%"></td> 
  <td><input name="paramValue1" class='style1' id="paramValue1" type="text"  style="width:100%"></td> 
  <td><input name="description1" class='style1' id="description1" type="text"  style="width:100%"></td>   
  <td align="center"><a href=javascript:deleteParamConf('1')>删除</a></td> 
</tr> 
</form> 
</table> 
</body>
</html>