var actionid = '';

function check_chars(id, iMax) {
	textarea = document.getElementById(id);
	if(textarea.value.length >= iMax + 1)
		textarea.value = textarea.value.substr(0, iMax);
	textareaCounter = document.getElementById('cnt' + id);
	textareaCounter.innerHTML = (textarea.value.length)+ ' / ' + iMax;
}

function counterUpdate(txtField, contador, tammax) {
	field = document.getElementById(txtField);
	
	if(field.value.length >= tammax)
		field.value = field.value.substring(0, tammax);
		
	txt_field = document.getElementById(contador);
	txt_field.innerHTML = field.value.length;
}