Ensures a max length is adhered to in older browsers

max_length.js

  var textareas = document.getElementById('user_summary');

for (var i = textareas.length; i--;) {
    if (textareas[i].getAttribute('maxlength') && !textareas[i].maxlength) {
        var max = textareas[i].getAttribute('maxlength');
        textareas[i].onkeypress = function(event) {
            var k = event ? event.which : window.event.keyCode;
            if(this.value.length >= max) if(k>46 && k<112 || k>123) return false;
        }
    }
}