//SELECCIÓN DE RAMA

 var sel_numBranch = '';
 var sel_link = null;

 function branch(num) {
  if(num == sel_numBranch) return;

  if(sel_numBranch != '') {
	sel_link.className = 'txt3';
	document.getElementById('menu-principal' + sel_numBranch).style.display = 'none';
  }

  sel_numBranch = num;
  sel_link = document.getElementById('link_cab' + num);

  sel_link.className = 'txt3_on';
  document.getElementById('menu-principal' + sel_numBranch).style.display = 'block';
 }






function enviar_formulario(boton) {
	
	boton.disabled = true;
	var f = boton.form;

	var campos = new Array();
	for(i=0; i<f.elements.length; i++)
		if(f.elements[i] != boton)
			campos[i] = f.elements[i].name + '=' + f.elements[i].value;
	campos = campos.join('&');

	if (window.XMLHttpRequest) {
		var req = new XMLHttpRequest();
		req.open("GET", 'mail.php?' + campos, false);
		req.send(null);
	} else if (window.ActiveXObject) {
		var req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			req.open("GET", 'mail.php?' + campos, false);
			req.send();
		}
	}

	//Maneja el resultado
		var enviado = false;
		if(req.status==200) 
			if(req.responseText == '<result>ok</result>')
				enviado = true;

		if(enviado) {
			f.reset();
			alert('El mensaje se ha enviado correctamente');
		} else {
			alert('No se ha podido enviar el mensaje, por favor inténtelo de nuevo');
		}

	boton.disabled = false;
}


function desactivar(form){
	if (form.fechas[0].checked){
		form.f_date_desde.disabled = true;
		form.f_date_hasta.disabled = true;
		form.f_date_dia.disabled = false;
	}else{
		form.f_date_dia.disabled = true;
		form.f_date_desde.disabled = false;
		form.f_date_hasta.disabled = false;
	}
}