jquery tweets

HTML

<script src="http://github.com/kerberoS/jQuery-Tweets/raw/master/js/jquery.tweets.0.1.js"></script>
<form>
    <textarea id="msg"></textarea>
    <input type="submit" />
</form>

JavaScript

$("form").submit(function(e){
var $textarea = $('#msg'),
    maxWordLength = 20;

			var value = $textarea.val().split(' '),
				longWord = false;

			for(var n = 0; n < value.length; n++) {
				if(value[n].length >= maxWordLength)
					longWord = true;
			}

if(longWord) {
    alert('Too long word');
    return false;
}
});