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; }