function checkLength(el, maxChars)
{
	var infoSpan = document.getElementById(el.id + "_size");
	if (!infoSpan){
		return;
	}
	var str = el.value.replace(/(\r\n|\r|\n)/g, "\r\n");
	infoSpan.innerHTML = str.length + "/" + maxChars + " max. characters";
	if (str.length > maxChars){
		infoSpan.className = 'chCountOver';
	} else {
		infoSpan.className = 'chCount';
	}
}


function tachange(id)
{
	var el = document.getElementById(id);
	if (el){
		el.onkeyup();
	}
}