// JavaScript Document
var max=1500; 
var ancho=1600; 
function progreso_tecla(obj) { 
  var progreso = document.getElementById("progreso");   
  if 	(obj.value.length < max) { 
		progreso.style.backgroundColor = "#FFFFFF";
		progreso.style.backgroundImage = "url(../imagens_decor/textarea.png)";     
		progreso.style.color = "#000000"; 
		var pos = ancho-parseInt((ancho*parseInt(obj.value.length))/1500); 
		progreso.style.backgroundPosition = "-"+pos+"px 0px"; 
  } else { 
		progreso.style.backgroundColor = "#CC0000"; 
		progreso.style.backgroundImage = "url()";     
		progreso.style.color = "#FFFFFF"; 
  }  
  progreso.innerHTML = "("+obj.value.length+" / "+max+")"; 
}