// limit characters in textarea from
// http://javascript.internet.com/forms/limit-textarea.html


// usage:
//
// <form name=myform action="YOUR-SCRIPT.CGI">
// ( You may enter up to 125 characters. )<br>
// <textarea name=message wrap=physical cols=28 rows=4 onKeyDown="textCounter(this.form.message,this.form.remLen,125);"
// onKeyUp="textCounter(this.form.message,this.form.remLen,125);"></textarea><br>
// <input readonly type=text name=remLen size=3 maxlength=3 value="125"> characters left
// </form>

function TextCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else
countfield.value = maxlimit - field.value.length;
}