function focusCCF() {
	campo = document.ccoptin.ea;
	if( campo.value != "" && campo.value == "Su email aquí" ) {
		campo.value = "";
	}
}

function blurCCF() {
	campo = document.ccoptin.ea;
	if( campo.value == "") {
		campo.value = "Su email aquí";
	}
}