Web表单提交之disabled问题js解决方法

<form id="inputForm" action="shorttermrental.action" method="post">
     <input name="pname" type="text" id="pname" value="xxx" size="20" disabled="disabled"/>
     <input name="but" type="submit" id="but" value="xxx" size="20"/>
</form>

<input name="xxx" id="xxx" value="xxx" size="20" readonly="readonly"/>

<input name="but" type="button" id="but" value="xxx" size="20"/>
<script type="text/javascript">
function submit_form(){
 //javascript写法
 document.getElementById("pname").disabled="";
 document.getElementById("inputForm").submit();
 //jQuery写法
 $("#pname").attr("disabled",false);
 $("#inputForm").submit();
}
</script>

<script type="text/javascript">
function submit_form(){
    //jQuery写法
      var pname = $("#pname").val();
 $("#inputForm").attr("action","shorttermrental.action?panme="+pname+"&p="+new Date());
    $("#inputForm").submit();
  //javascript写法
    var pname = document.getElementById("pname").value;
    document.getElementById("pname").action = "shorttermrental.action?panme="+pname+"&p="+new Date();
    document.getElementById("pname").submit();
    }
</script>