1. var W3CDOM = document.createElement && document.getElementsByTagName; 2. 3. window.onload = setMaxLength; 4. 5. function setMaxLength() { 6. if (!W3CDOM) return; 7. var textareas = document.getElementsByTagName('textarea'); 8. var counter = document.createElement('div'); 9. counter.className = 'counter'; 10. for (var i=0;i maxLength) 26. this.relatedElement.className = 'toomuch'; 27. else 28. this.relatedElement.className = ''; 29. this.relatedElement.firstChild.nodeValue = currentLength; 30. }