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 = '<small>Max Length: <span style=\"font-size:10px;\">0</span>/'+x[i].getAttribute('maxlength') +'</small>';
			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) {
		this.value =  this.value.substring(0,maxLength);
		this.relatedElement.className = 'toomuch';
		currentLength = this.value.length;
	} else {
		this.relatedElement.className = '';
	}
	this.relatedElement.firstChild.nodeValue = currentLength;
	// not innerHTML
}