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<script language="JavaScript">
function submitonce(theform){
if (document.all||document.getElementById){
theform.Submit.disabled=true;
theform.submit();
}
}
</script>
<body onkeydown="if(event.keyCode==13&&event.ctrlKey)submitonce(kai)">
<form name="kai" action="http://www.163.com" method=post>
<textarea >
</textarea>
<input type=button value="发表回应" name=Submit onclick="submitonce(kai)">
</form>
</body>
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