沧海一粟

<script language="javascript">
function checkTextareaLength(form1,textareaId, length)
{
//var ta = document.getElementById(textareaId);
var taLength = textareaId.value.length;
if(taLength>length)
textareaId.value = textareaId.value.substring(0, length);
if( taLength == length )
{
document.form1.submit();
}
}
</script>