function valid_contact(){
	var msg = ""; 
	if($("name").value == "") msg += "Nombre es requerido.\n";
	if($("email").value == "" || $("phone").value == "" || $("mobile").value == "") msg += "Email, telefono o celular son requeridos.\n";
	if($("subject").value == "") msg += "Titulo del mensaje es requerido.\n";	
	if($("message").value == "") msg += "Mensaje es requerido.\n";	
	
	if(msg != "") alert(msg);  else document.contact.submit();
}
//-----------------------------
function toggleContact(id){
	if($(id).style.display == "none"){
		$(id).previousSibling.style.color = "#009345";
		new Effect.BlindDown($(id));
		//new Effect.Appear($(id));
		//new Effect.SlideDown($(id));	
	} else {
		$(id).previousSibling.style.color = "#666666";
		new Effect.BlindUp($(id));
		//new Effect.Fade($(id)); 
		//new Effect.SlideUp($(id));	
	}
}