maxlength for text box

        <pre data-sub="prettyprint:_">
        <textarea rows="10" cols="25" maxlength="25" onkeypress="return TextUtil.isNotMax(this)"></textarea>

        TextUtil.isNotMax = function(oTextArea) {return oTextArea.value.length != oTextArea.getAttribute(“maxlength”);}

        var TextUtil = new Object();
        </pre>