/* Escribe flash embed para evitar bloqueo de IE*/
/*
Se llama de la siquiente forma
<script language="JavaScript" type="text/javascript">
	writeFlash('texto alt','ancho','alto','7,0,19,0','URL','transparencia','texto dinamico si lo tiene');
</script>
*/
if(typeof deconcept=="undefined"){var deconcept=new Object();}
if(typeof deconcept.util=="undefined"){deconcept.util=new Object();}
if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object();}
deconcept.SWFObject=function(_1,id,w,h,_5,c,_mode,_FlashVars,_7,_8,_9,_a,_b){
if(!document.getElementById){return;}
this.DETECT_KEY=_b?_b:"detectflash";
this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);
this.params=new Object();
this.variables=new Object();
this.attributes=new Array();
if(_1){this.setAttribute("swf",_1);}
if(id){this.setAttribute("id",id);}
if(w){this.setAttribute("width",w);}
if(h){this.setAttribute("height",h);}
if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")));}
this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();
if(c){this.addParam("bgcolor",c);}
if(_mode) this.addParam("wmode",_mode);
if(_FlashVars) this.addParam("FlashVars",_FlashVars);
var q=_8?_8:"high";
this.addParam("quality",q);
this.setAttribute("useExpressInstall",_7);
this.setAttribute("doExpressInstall",false);
var _d=(_9)?_9:window.location;
this.setAttribute("xiRedirectUrl",_d);
this.setAttribute("redirectUrl","");
if(_a){this.setAttribute("redirectUrl",_a);}};
deconcept.SWFObject.prototype={setAttribute:function(_e,_f){
this.attributes[_e]=_f;
},getAttribute:function(_10){
return this.attributes[_10];
},addParam:function(_11,_12){
this.params[_11]=_12;
},getParams:function(){
return this.params;
},addVariable:function(_13,_14){
this.variables[_13]=_14;
},getVariable:function(_15){
return this.variables[_15];
},getVariables:function(){
return this.variables;
},getVariablePairs:function(){
var _16=new Array();
var key;
var _18=this.getVariables();
for(key in _18){_16.push(key+"="+_18[key]);}
return _16;
},getSWFHTML:function(){
var _19="";
if(navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length){
if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","PlugIn");}
_19="<embed type=\"application/x-shockwave-flash\" src=\""+this.getAttribute("swf")+"\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\"";
_19+=" id=\""+this.getAttribute("id")+"\" name=\""+this.getAttribute("id")+"\" ";
var _1a=this.getParams();
for(var key in _1a){_19+=key+"=\""+_1a[key]+"\" ";}
var _1c=this.getVariablePairs().join("&");
if(_1c.length>0){_19+="flashvars=\""+_1c+"\"";}
_19+="/>";
}else{
	if(this.getAttribute("doExpressInstall")){
this.addVariable("MMplayerType","ActiveX");}
_19="<object id=\""+this.getAttribute("id")+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\">";
_19+="<param name=\"movie\" value=\""+this.getAttribute("swf")+"\" />";
var _1d=this.getParams();
for(var key in _1d){_19+="<param name=\""+key+"\" value=\""+_1d[key]+"\" />";}
var _1f=this.getVariablePairs().join("&");
if(_1f.length>0){_19+="<param name=\"flashvars\" value=\""+_1f+"\" />";}
_19+="</object>";}
return _19;
},write:function(_20){
if(this.getAttribute("useExpressInstall")){
var _21=new deconcept.PlayerVersion([6,0,65]);
if(this.installedVer.versionIsValid(_21)&&!this.installedVer.versionIsValid(this.getAttribute("version"))){
this.setAttribute("doExpressInstall",true);
this.addVariable("MMredirectURL",escape(this.getAttribute("xiRedirectUrl")));
document.title=document.title.slice(0,47)+" - Flash Player Installation";
this.addVariable("MMdoctitle",document.title);}}
if(this.skipDetect||this.getAttribute("doExpressInstall")||this.installedVer.versionIsValid(this.getAttribute("version"))){
var n=(typeof _20=="string")?document.getElementById(_20):_20;
n.innerHTML=this.getSWFHTML();
return true;
}else{
if(this.getAttribute("redirectUrl")!=""){document.location.replace(this.getAttribute("redirectUrl"));}}
return false;}};
deconcept.SWFObjectUtil.getPlayerVersion=function(){
var _23=new deconcept.PlayerVersion([0,0,0]);
if(navigator.plugins&&navigator.mimeTypes.length){
var x=navigator.plugins["Shockwave Flash"];
if(x&&x.description){_23=new deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/,"").replace(/(\s+r|\s+b[0-9]+)/,".").split("."));}
}else{
try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");}
catch(e){try{
var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
_23=new deconcept.PlayerVersion([6,0,21]);
axo.AllowScriptAccess="always";}
catch(e){
if(_23.major==6){return _23;}}try{axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash");}
catch(e){}}
if(axo!=null){_23=new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));}}
return _23;};
deconcept.PlayerVersion=function(_27){
this.major=_27[0]!=null?parseInt(_27[0]):0;
this.minor=_27[1]!=null?parseInt(_27[1]):0;
this.rev=_27[2]!=null?parseInt(_27[2]):0;
};
deconcept.PlayerVersion.prototype.versionIsValid=function(fv){
if(this.major<fv.major){return false;}
if(this.major>fv.major){return true;}
if(this.minor<fv.minor){return false;}
if(this.minor>fv.minor){return true;}
if(this.rev<fv.rev){return false;}
return true;
};
deconcept.util={getRequestParameter:function(_29){
var q=document.location.search||document.location.hash;
if(q){
var _2b=q.substring(1).split("&");
for(var i=0;i<_2b.length;i++){
if(_2b[i].substring(0,_2b[i].indexOf("="))==_29){
return _2b[i].substring((_2b[i].indexOf("=")+1));}}}
return "";}};
deconcept.SWFObjectUtil.cleanupSWFs=function(){
var _2d=document.getElementsByTagName("OBJECT");
for(var i=0;i<_2d.length;i++){
_2d[i].style.display="none";
for(var x in _2d[i]){if(typeof _2d[i][x]=="function"){_2d[i][x]=null;}}}};
if(typeof window.onunload=="function"){
var oldunload=window.onunload;
window.onunload=function(){
deconcept.SWFObjectUtil.cleanupSWFs();
oldunload();};
}else{window.onunload=deconcept.SWFObjectUtil.cleanupSWFs;}
if(Array.prototype.push==null){
Array.prototype.push=function(_30){
this[this.length]=_30;
return this.length;};}

var getQueryParamValue=deconcept.util.getRequestParameter;
var FlashObject=deconcept.SWFObject; // for legacy support
var SWFObject=deconcept.SWFObject;



/* Funcion Precarga de imagenes */

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

/* Funcion abre un popup */

function MM_openBrWindow(theURL,winName,features) { //v2.0
  	window.open(theURL,winName,features);
}



/* Funciones para cambiar de comportamiento (colores de fondo) en TD's. Por ejemplo en titulos, menus. */

function mOvr(src,clrOver){ 
 if (!src.contains(event.fromElement)){ 
  src.style.cursor = 'hand'; 
  src.className = clrOver; 
 } 
} 
function mOut(src,clrIn){ 
 if (!src.contains(event.toElement)){ 
  src.style.cursor = 'hand'; 
  src.className = clrIn; 
 } 
}
function mClk(src) 
{
if(event.srcElement.tagName=='TD')
	{
 	src.children.tags('A')[0].click();
	}
}

/* Funcion Volver a la p�gina anterior */

function volver(pag){
	window.history.go(pag)
	}


/* Funcion GoLink: usada casi siempre en popups, haciendo que al clickear el link dentro */
/* del popup, �ste se cierre y abra el enlace en otra ventana. */
/* La URL se pasa como parametro ej: onclick="golink('index.htm')" */

function golink(url) {
   window.opener.location=url; 
   window.close();
   return 1;
}


/* Funcion para limpiar un formulario */

function limpia_form(nom){
	window.document[nom].reset();
}

/* Funcion para imprimir */

function imprimir(){
	window.print();
}

/* Funcion para introducir la fecha en una pagina */

function fecha(){
	mes = new Array();
	diasem = new Array();
	fechas = new Date();
	diasemana = fechas.getDay();
	diasem[0] = "Domingo";
	diasem[1] = "Lunes";
	diasem[2] = "Martes";
	diasem[3] = "Miercoles";
	diasem[4] = "Jueves";
	diasem[5] = "Viernes";
	diasem[6] = "Sabado";
	dia = fechas.getDate();
	nomes = fechas.getMonth();
	anio = fechas.getYear();
	mes[0] = 'Enero';
	mes[1] = 'Febrero';
	mes[2] = 'Marzo';
	mes[3] = 'Abril';
	mes[4] = 'Mayo';
	mes[5] = 'Junio';
	mes[6] = 'Julio';
	mes[7] = 'Agosto';
	mes[8] = 'Septiembre';
	mes[9] = 'Octubre';
	mes[10] = 'Noviembre';
	mes[11] = 'Diciembre';
	if (anio < 1000) anio = anio + 1900;
	document.write(diasem[diasemana]+" "+ dia +" de "+ mes[nomes] +" de "+ anio);
}

/* Funcion Random para im�genes - J. Yevenes */

function img_random() { 
var imgs = ["img1.gif", "img2.gif", "img3.gif"]; 
document.getElementById("foto").src = imgs[Math.floor(Math.random()*imgs.length)]; 
}

/* Funcion Go To */
function go_to(pag){
 window.location=pag
}
//Para el buscador: Cuando haces click se limpian los campos
function limpiar(){
	if(document.busqueda.palabra.value=="� Busque Aqu� !"){
		document.busqueda.palabra.value="";
	}
}

function open_pdf(file,winName)
	{
		window.pdf = window.open('/open_pdf.php','pdf');
		window.pdf.location.href=file;
	}

function llenar(){
	if(document.busqueda.palabra.value==""){
		document.busqueda.palabra.value="� Busque Aqu� !";
	}
}

function linkContacto () {
	location.href='mailto:ddiaz@cybercenter.cl?Subject=Contacto web';
}

function gothere() {
    var index=document.myform.anio_2005.selectedIndex;
    
    if (index !=0) {
    var remote=document.myform.anio_2005.options[index].value.substring(0,1);
    var url=document.myform.anio_2005.options[index].value.substring(1);

	if (remote == "a"){
	window.open(url,"newwindow","toolbar=yes,location=yes,derectories=yes,status=yes,menubar=yes,scrollbar=yes,resizable=yes");} 
	}

    var index=document.myform.anio_2006.selectedIndex;
    
    if (index !=0) {
    var remote=document.myform.anio_2006.options[index].value.substring(0,1);
    var url=document.myform.anio_2006.options[index].value.substring(1);

	if (remote == "a"){
	window.open(url,"newwindow","toolbar=yes,location=yes,derectories=yes,status=yes,menubar=yes,scrollbar=yes,resizable=yes");} 
	}

}

function loadMenu() {
	
	menuSC = MakeMenu('submenu', 12, 0, 1);
	menuSC.autoClose = false;
	
}


// isMail: devuelve verdadero si value es una direccion de correo valida
function isMail(value) {
    try
	{
		var pattern=new RegExp("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");
		return value.match(pattern);
	}
	catch(e)
	{
		return false;
	}
}

// Formulario de contacto
function ValidacionFomularioContacto(form)
{
	if (Empty(form.nombre.value))
	{
		alert('Ingrese su nombre por favor.');
		form.nombre.focus();
		return false;
	}
	if (!isMail(form.email.value))
	{
		alert('E-mail no V�lido.');
		form.email.focus();
		return false;
	}
	if (Empty(form.mensaje.value))
	{
		alert('Ingrese su comentario por favor.');
		form.mensaje.focus();
		return false;
	}

	return;
}

//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated.  All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}

function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }

  document.write(str);
}

function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblClick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}

// Cambia estilos con javascript

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

function setActiveStyleSheetContraste(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
       if(a.getAttribute("title") == title) {
    	  a.disabled = ( ( a.disabled ) ? false : true );
      }
    }
  }
}

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

function getPreferredStyleSheet() {
  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) {
  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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

function cambiaClase(id, newClass) {//para cambiar class del menu lateral
identity=document.getElementById(id);
identity.className=newClass;
}