// JavaScript Document
var max=401; 
var ancho=328; 
function progreso_tecla(obj) { 
  var progreso = document.getElementById("progreso");  
  if (obj.value.length < max) { 
	progreso.style.backgroundColor = "#FFFFFF";  
	progreso.style.backgroundImage = "url(../imgs/textareaFale.png)";  
	progreso.style.color = "#E77401"; 
	var pos = ancho-parseInt((ancho*parseInt(obj.value.length))/400); 
	progreso.style.backgroundPosition = "-"+pos+"px 0px"; 
    conteudo_textarea = obj.value;	
  } else { 
	progreso.style.backgroundColor = "#CC0000";  
	progreso.style.backgroundImage = "url()";  
	progreso.style.color = "#FF0000"; 
    obj.value = conteudo_textarea;
  }  
  progreso.innerHTML = "("+obj.value.length+" / "+(max-1)+")"; 
}