function azul(strImagen){
	document.getElementById(strImagen).src = '/templates/imagenes/cuadradito-naranja.gif';	
}
function naranja(strImagen){
	document.getElementById(strImagen).src = '/templates/imagenes/cuadradito-azul.gif';	
}
function track(id){
	ImgLlamada = new Image;
	ImgLlamada.src = "/track.asp?id=" + id;
}
function clearText(thefield) {
  if (thefield.defaultValue==thefield.value) { thefield.value = "" }
} 
function replaceText(thefield) {
  if (thefield.value=="") { thefield.value = thefield.defaultValue }
}