<script type="text/javascript">
//Edit the counter/limiter value as your wish
var count = "125";
//Example: var count = "175";
function limiter(){
var tex = document.myform.comment.value;
var len = tex.length;
if(len > count){
tex = tex.substring(0,count);
document.myform.comment.value =tex;
return false;
}
document.myform.limit.value = count-len;
}
</script>
<form name="myform" METHOD=POST>
<textarea name=comment wrap=physical rows=3 cols=40 onkeyup=limiter()></textarea><br>
<script type="text/javascript">
document.write("<input type=text name=limit size=4 readonly value="+count+">");
</script>
</form>