// JavaScript Document
//-------------COOKIE----------------------------------
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 var 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 eraseCookie(name) {
	createCookie(name,"",-1);
}
//-------------COOKIE----------------------------------

function changefake(){
}


function change(id){
     ID = document.getElementById(id);
    
     if ((ID.style.display != "none")&&(ID.style.display != "") ) {
         ID.style.display = "none";
         eraseCookie(id);
         if (id=='menu1'){
          eraseCookie('menu11');
          ID = document.getElementById('menu11');
          ID.style.display = "none";
          eraseCookie(id);
          eraseCookie('menu12');
          ID = document.getElementById('menu12');
          ID.style.display = "none";
          eraseCookie(id);
          eraseCookie('menu13');
          ID = document.getElementById('menu13');
          ID.style.display = "none";
          eraseCookie(id);
         }
     }else{
         ID.style.display = "block";
         createCookie(id,1,3)
     }         
}

function refresh(){
 var coc = readCookie('menu1')
 if (coc!=null) {
  change('menu1')
 }
 if (readCookie('menu11')!=null) {
  change('menu11')
 }
 if (readCookie('menu12')!=null) {
  change('menu12')
 }
 if (readCookie('menu13')!=null) {
  change('menu13')
 }
}