<!--

// Recarga de pagina para adsense
function recargarPagina(idioma) {
  // alert(location.href+"?lang="+idioma);
  window.location.replace(location.href+"?lang="+idioma);
}


// ----------------------------------------------
// StyleSwitcher functions written by Paul Sowden
// http://www.idontsmoke.co.uk/ss/
// - - - - - - - - - - - - - - - - - - - - - - -
// For the details, visit ALA:
// http://www.alistapart.com/stories/alternate/

function setActiveStyleSheet(title) {
  //alert("set activeStyleSheet "+title );

  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
	actual=a.getAttribute("rel")+" "+a.getAttribute("href")+" "+a.getAttribute("title");

    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  
  // Ademas registra la cookie para las otras paginas de la web
  createCookie("style", title, 365);

/*
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if   (a.getAttribute("rel").indexOf("style") != -1 && (a.getAttribute("title") != title)) {
      //alert("Disabling "+ a.getAttribute("title"));
      a.disabled = true;
    }
    else if (a.getAttribute("rel").indexOf("style") != -1 && (a.getAttribute("title") == title)) {
      a.disabled = false;
      //alert("Enabling "+ a.getAttribute("title"));
    }
  }
*/
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    // alert("Hoja activa:"+ a.getAttribute("rel") + " disabled:"+ a.disabled + " title:"+ a.getAttribute("title") + " href:" +  
	//		a.getAttribute("href") + " media:" +a.getAttribute("media"));
	if(a.getAttribute("rel").indexOf("style") != -1 && !a.disabled) {
	  if (a.getAttribute("title")) {
	    // alert("Hoja activa "+ a.getAttribute("title"));
	    return a.getAttribute("title");
	  }
	}
  }
  // alert("Entonces por defecto hoja activa "+ "spanish_version");
  return "spanish_version";  
}

function getPreferredStyleSheet() {

  var lang1=navigator.browserLanguage;  // Consultas para Internet Explorer
  var lang2=navigator.systemLanguage;
  var lang3=navigator.userLanguage;
  var lang4=window.navigator.language;  // Consultas para Firefox, Chrome y Opera

  // alert ("browserLanguage:" + lang1 + " systemLanguage:" +lang2 + " userLanguage:" +lang3 + " navigator.language:" + lang4);
  if (lang3 != null) {
	  if (lang3.substr(0, 2) == "es") {
	    return "spanish_version"; 
	  }
	  else {
	    return "english_version";
	  }
   } else {
       if (lang4.substr(0, 2) == "es") {  // No es IE
		return "spanish_version"; 
       }
       else {
		return "english_version";
       }
   }

/*
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
*/
}

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

}

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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  // alert("onload con cookie " + cookie + " y getPreferredStyleSheet " + getPreferredStyleSheet());
  var titleActual = getActiveStyleSheet();
// if (titleActual != title)  // Optimiza cambios
  setActiveStyleSheet(title);
}

window.onunload = function(e) {

  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
  // alert("onunload creada cookie style con:" + title);
}


var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
// alert("Tratamiento hoja con valor cookie " + cookie + " y getPreferredStyleSheet " + getPreferredStyleSheet());
var titleActual = getActiveStyleSheet();
if (titleActual != title)  // Optimiza cambios
  setActiveStyleSheet(title);


function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
   var obj = document.layers ? document.layers[szDivID] : document.getElementById ?  document.getElementById(szDivID).style : document.all[szDivID].style;
   obj.visibility = document.layers ? (iState ? "show" : "hide") : (iState ? "visible" : "hidden");
}

//-->