// Gestion de la taille du texte
function setBodyTextSize(size) {
	if (navigator.cookieEnabled) {
		// we use substr because to body class also contains the lang class (fr or en)
		document.body.className = document.body.className.substr(0,3)+size;
		btns = new Array('text_s','text_m','text_l');
		for (i=0; i<3; i++) {
			document.getElementById(btns[i]).className = '';
		}
		document.getElementById('text_'+size).className = ' select';
		document.cookie = "textsize=" + size + "; path=/;";
		return false;
	} else {
		// no cookie, use real URL
		return true;
	}
}

function writeTo(id, domain, title, subject) {
	var out = "";

	out = out + "<a href=\"mailto:";	
	out = out + id + '@' + domain;
	if (subject != '') {
		out = out + "?subject=";
		out = out + subject;
	}
	out = out + "\">";
	if (title == '') {
		out = out + id + '@' + domain;
	} else {
		out = out + title;
	}
	out = out + "</a>";

	document.write(out);
}

function createCookie(name,value,hours) {
	if (hours) {
		var date = new Date();
		date.setTime(date.getTime()+(hours*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 '';
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

window.onload = function() {
	// attache la fonction au chargement
	document.getElementById('text_s').onclick = function() {return setBodyTextSize('s')};
	document.getElementById('text_m').onclick = function() {return setBodyTextSize('m')};
	document.getElementById('text_l').onclick = function() {return setBodyTextSize('l')};
	if (typeof window.initGallery == 'function') initGallery();
}