function showHideTheme1() { 
	if (theme1Hide == true) {
		document.getElementById ('theme1').style.display = "block";
		theme1Hide = false;
		//theme2Hide = false;
		//showHideTheme2();
		document.getElementById('theme1Titre').className="themesOpen";
		createCookie("theme1Ouvert","oui","Fri, 27 Jul 2100 02:47:11 UTC")
	} else {
		document.getElementById ('theme1').style.display = "none";
		theme1Hide = true;
		document.getElementById('theme1Titre').className="themes";
		createCookie("theme1Ouvert","non","Fri, 27 Jul 2100 02:47:11 UTC")
	}
}

function showHideTheme2() { 
	if (theme2Hide == true) {
		document.getElementById ('theme2').style.display = "block";
		//theme1Hide = false;
		theme2Hide = false;
		//showHideTheme1();
		document.getElementById('theme2Titre').className="themesOpen";
		createCookie("theme2Ouvert","oui","Fri, 27 Jul 2100 02:47:11 UTC")
	} else {
		document.getElementById ('theme2').style.display = "none";
		theme2Hide = true;
		document.getElementById('theme2Titre').className="themes";
		createCookie("theme2Ouvert","non","Fri, 27 Jul 2100 02:47:11 UTC")
	}
}

function showHideTheme3() { 
	if (theme3Hide == true) {
		document.getElementById ('theme3').style.display = "block";
		//theme1Hide = false;
		theme3Hide = false;
		//showHideTheme1();
		document.getElementById('theme3Titre').className="themesOpen";
		createCookie("theme3Ouvert","oui","Fri, 27 Jul 2100 02:47:11 UTC")
	} else {
		document.getElementById ('theme3').style.display = "none";
		theme3Hide = true;
		document.getElementById('theme3Titre').className="themes";
		createCookie("theme3Ouvert","non","Fri, 27 Jul 2100 02:47:11 UTC")
	}
}
function showHideTheme4() { 
	if (theme4Hide == true) {
		document.getElementById ('theme4').style.display = "block";
		//theme1Hide = false;
		theme4Hide = false;
		//showHideTheme1();
		document.getElementById('theme4Titre').className="themesOpen";
		createCookie("theme4Ouvert","oui","Fri, 27 Jul 2100 02:47:11 UTC")
	} else {
		document.getElementById ('theme4').style.display = "none";
		theme4Hide = true;
		document.getElementById('theme4Titre').className="themes";
		createCookie("theme4Ouvert","non","Fri, 27 Jul 2100 02:47:11 UTC")
	}
}
//Fonction pour aller lire dans le cookie
function readCookie(name) {
	//va chercher la valeur du boo cookie : theme + IDutilisateur
	var nameEQ = name  + IDutilisateur + "=";
	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;
}

//Fonction pour crŽer le 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 + IDutilisateur +"="+value+expires+"; path=/";
}


// Affiche le theme en memoire (le dernier theme visite) - AppelŽ ˆ l'ouverture de la page
function showTheme() {	
	if (!readCookie("theme1Ouvert")) {
		//la page n'a jamais ete visitee
		createCookie("theme1Ouvert","oui","Fri, 27 Jul 2100 02:47:11 UTC")
		createCookie("theme2Ouvert","non","Fri, 27 Jul 2100 02:47:11 UTC")
		createCookie("theme3Ouvert","non","Fri, 27 Jul 2100 02:47:11 UTC")
		
		createCookie("theme4Ouvert","non","Fri, 27 Jul 2100 02:47:11 UTC")
		theme1Hide = true;
		theme2Hide = false;
		theme3Hide = false;

		showHideTheme1();
		showHideTheme2();
		showHideTheme3();

		
	} else {
		theme1Hide = true;
		theme2Hide = true;
		theme3Hide = true;
		
		theme4Hide = true;
		if (readCookie("theme1Ouvert") == "oui") {
			theme1Hide = true;
			showHideTheme1();
		}
		if (readCookie("theme2Ouvert") == "oui") {
			theme2Hide = true;
			showHideTheme2();
		}
		if (readCookie("theme3Ouvert") == "oui") {
			theme3Hide = true;
			showHideTheme3();
		}

	}
}