$(document).ready(function(){
// Reset Font Size
	var originalFontSize = $('html').css('font-size');
	var debut_lecture = document.cookie.indexOf("fontSize=") ;
	if(debut_lecture>=0)
	{
		debut_lecture += "fontSize=".length;
		var fin_lecture = document.cookie.indexOf(";", debut_lecture);
		if(fin_lecture < 0)
		{
			fin_lecture = document.cookie.length ;
		}
		originalFontSize = unescape(document.cookie.substring(debut_lecture, fin_lecture)) ;
	}
	$("html").attr("style", "font-size: " + originalFontSize + "px;");
	
	$(".resetFont").click(function(){
		$('html').css('font-size', originalFontSize);
	});
	// Increase Font Size
	$(".increaseFont").click(function(){
		var duree_cookie = new Date();
		var currentFontSize = $('html').css('font-size');
		var currentFontSizeNum = parseFloat(currentFontSize, 10);
		var newFontSize = currentFontSizeNum*1.2;
		if(newFontSize<33) {
			$('html').css('font-size', newFontSize);
			duree_cookie.setTime(duree_cookie.getTime() + (30*24*3600*1000));
			document.cookie = "fontSize=" + newFontSize + ";expires=" + duree_cookie.toGMTString() ;
		}
		return false;
	});
	// Decrease Font Size
	$(".decreaseFont").click(function(){
		var duree_cookie = new Date();
		var currentFontSize = $('html').css('font-size');
		var currentFontSizeNum = parseFloat(currentFontSize, 10);
		var newFontSize = currentFontSizeNum*0.8;
		if(newFontSize>12) {
			$('html').css('font-size', newFontSize);
			duree_cookie.setTime(duree_cookie.getTime() + (30*24*3600*1000));
			document.cookie = "fontSize=" + newFontSize + ";expires=" + duree_cookie.toGMTString() ;
		}
		return false;
	});
});
/*
function font_size_change(pourcentage) {
	var duree_cookie = new Date();
	//var taille_police = parseInt(document.styleSheets[0].cssRules[0].style.getPropertyValue("font-size"));
	var taille_police = $("body").css("font-size");
	taille_police += pourcentage;
	if(taille_police>75 && taille_police<105)
	{
		duree_cookie.setTime(duree_cookie.getTime() + (30*24*3600*1000));
		document.cookie = "fontSize=" + taille_police + ";expires=" + duree_cookie.toGMTString() ;
		taille_police = taille_police + "%";
		//document.getElementsByTagName("body")[0].style.fontSize = taille_police;
		//document.styleSheets[0].cssRules[0].style.fontSize = taille_police;
		$("body").css("font-size", taille_police);
	}
	onload_fixe_font_size();
}

function onload_fixe_font_size() {
	var debut_lecture = document.cookie.indexOf("fontSize=") ;
	//var taille_police = parseInt(document.styleSheets[0].cssRules[0].style.getPropertyValue("font-size"));
	var taille_police = $("body").css("font-size");
	if(debut_lecture>=0)
	{
		debut_lecture += "fontSize=".length;
		var fin_lecture = document.cookie.indexOf(";", debut_lecture);
		if(fin_lecture < 0)
		{
			fin_lecture = document.cookie.length ;
		}
		taille_police = unescape(document.cookie.substring(debut_lecture, fin_lecture)) + "%" ;
		//document.getElementsByTagName("body")[0].style.fontSize = taille_police;
		//document.styleSheets[0].cssRules[0].style.fontSize = taille_police;
		$("body").css("font-size", taille_police);
	}
}*/