// Libreria de funciones para Levantina
// Kike Valdenebro y Miguel Alvarez
// 18.10.2007
// Redbility


var desplegadoActual = null;  // Global.  Almacena la capa visible actualmente

function conmuta(objId){
	// Conmuta la visibilidad de una capa
	// objId : Id de la capa a ocultar o mostrar
	
	if(desplegadoActual != null && desplegadoActual != objId){
		var actual = document.getElementById(desplegadoActual);
		actual.style.display="none";		
	}
	var objeto = document.getElementById(objId);
	if(objeto.style.display == "none"){
		objeto.style.display = "block";
	}else{
		objeto.style.display = "none";
	}
	desplegadoActual = objId;
}


//  Scriptlets code written by Jeremy Edmiston
//  The functions have been adapted from various sources
//  and re-written to provide maximum flexibility
//  and compatability with various browsers.

//Global Declarations
var ie = (document.all) ? true : false;

function toggleClass(objClass){
//  This function will toggle obj visibility of an Element
//  based on Element's Class
//  Works with IE and Mozilla based browsers

  if (getElementByClass(objClass).style.display=="none"){
    showClass(objClass)
  }else{
    hideClass(objClass)
  }
}

function hideClass(objClass){
//  This function will hide Elements by object Class
//  Works with IE and Mozilla based browsers

var elements = (ie) ? document.all : document.getElementsByTagName('*');
  for (i=0; i<elements.length; i++){
    if (elements[i].className==objClass){
      elements[i].style.display="none"
    }
  }
}

function showClass(objClass){
//  This function will show Elements by object Class
//  Works with IE and Mozilla based browsers
var elements = (ie) ? document.all : document.getElementsByTagName('*');
  for (i=0; i<elements.length; i++){
    if (elements[i].className==objClass){
      elements[i].style.display="block"
    }
  }
}

function toggleID(objID){
//  This function will toggle obj visibility of an Element
//  based on Element's ID
//  Works with IE and Mozilla based browsers
var element = (ie) ? document.all(objID) : document.getElementById(objID);
  if (element.style.display=="none"){
    showID(objID)
  }else{
    hideID(objID)
  }
}

function hideID(objID){
//  This function will hide Elements by object ID
//  Works with IE and Mozilla based browsers
var element = (ie) ? document.all(objID) : document.getElementById(objID);
  element.style.display="none"
}

function showID(objID){
//  This function will show Elements by object ID
//  Works with IE and Mozilla based browsers
var element = (ie) ? document.all(objID) : document.getElementById(objID);
  element.style.display="block"
}

function getElementByClass(objClass){
//  This function is similar to 'getElementByID' since there
//  is no inherent function to get an element by it's class
//  Works with IE and Mozilla based browsers
var elements = (ie) ? document.all : document.getElementsByTagName('*');
  for (i=0; i<elements.length; i++){
    //alert(elements[i].className)
    //alert(objClass)
    if (elements[i].className==objClass){
    return elements[i]
    }
  }
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

function fondo (){
		
		
	}

function fondo_on(objID){
	var element = (ie) ? document.all(objID) : document.getElementById(objID);
  element.style.background = "url(../css/gfx/flechavolverdobleb_on.gif) 0px 4px no-repeat";
}


function fondo_off(objID){
	var element = (ie) ? document.all(objID) : document.getElementById(objID);
  element.style.background="none";

}