// JavaScript Document

var intTheme = lireCookie();
if(intTheme==null){
	intTheme = Math.floor(Math.random()*3+1);
	creerCookie(intTheme);
}
document.getElementById('css').href = "/engramme/css/theme" + intTheme + ".css";

	
function changerTheme(intTheme){
	creerCookie(intTheme);
	document.getElementById('css').href = "/engramme/css/theme" + intTheme + ".css";
}

function creerCookie(intTheme){
	var expires=new Date;
	expires.setDate(expires.getDate()+1);
	document.cookie = 'theme=' + intTheme + '; expires=' + expires + '; domain; path=/engramme/; ';
}

function effacerCookie(){
	 var expires=new Date;
	 expires.setDate(expires.getDate()-1);
	 document.cookie = 'theme=0; expires=' + expires + '; domain; path=/engramme/; ';
}

function lireCookie() {
	var aElements = document.cookie.split(';');
	for(var i=0; i < aElements.length; i++) {
		var aElement = aElements[i].split('=');
		if(aElement[0]=='theme') return aElement[1];
	}
	return null
}

function changerLangue(){
	var source = document.location.href;
	var redirection = '';
	if(source=="http://www.meduse.org/engramme/" || source=="/engramme/"){
		redirection = "http://www.meduse.org/engramme/index-en.php";
	}else{
		var aSource = source.split('.');
		var extension = aSource.pop();
		var source2 = aSource.join('.');
		aSource = source2.split('-');
		if(aSource[aSource.length-1]=='en'){
			var en = aSource.pop();
			redirection = aSource.join('-')+"."+extension;
		}else{
			redirection = source2+"-en."+extension;
		}
	}
	document.location.href = redirection;
}