var max=1000;  		// 1000  = max characters

function count(f) {
	var txt=f.Question.value;
	var nb=txt.length;
	if (nb>max) { 
		alert("Question is limited to no more than "+max+" characters.");
		f.Question.value=txt.substring(0,max);
		nb=max;
	}
	f.nbcar.value=nb;
	document.forms["qasubmit"].nbcar_rest.value = max-document.forms["qasubmit"].nbcar.value;
}

function timer() {
	count(document.forms["qasubmit"]);
	setTimeout("timer()",100);
}