function setMaxLength() {
			var x = document.getElementsByTagName('textarea');
			var counter = document.createElement('div');
			counter.className = 'counter';
			for (var i=0;i<x.length;i++) {
				if (x[i].getAttribute('maxlength')) {
					var counterClone = counter.cloneNode(true);
					counterClone.relatedElement = x[i];
					counterClone.innerHTML = '<span>0</span>/'+x[i].getAttribute('maxlength');
					x[i].parentNode.insertBefore(counterClone,x[i].nextSibling);
					x[i].relatedElement = counterClone.getElementsByTagName('span')[0];

					x[i].onkeyup = x[i].onchange = checkMaxLength;
					x[i].onkeyup();
				}
			}
		}

		function checkMaxLength() {
			var maxLength = this.getAttribute('maxlength');
			var currentLength = this.value.length;
			if (currentLength > maxLength) {
				var value = this.value;
				this.value = value.substring(0, maxLength);
			}
			this.relatedElement.firstChild.nodeValue = currentLength;
			// not innerHTML
		}