// JavaScript Document

function cpoIn(id, clsInicial, clsNormal, valDefault){
	if (document.getElementById(id).value == valDefault) {
		document.getElementById(id).value = "";
		document.getElementById(id).className = clsNormal;
	}
}

function cpoOut(id, clsInicial, clsNormal, valDefault){
	if (document.getElementById(id).value == "") {
		document.getElementById(id).value = valDefault;
		document.getElementById(id).className = clsInicial;
	}
}