var minsize = 120;
var maxsize = 180;

// Test if we use cookies or not
var cookieEnabled=(navigator.cookieEnabled)? true : false

	//if not IE4+ nor NS6+
	if (typeof navigator.cookieEnabled=="undefined" && !cookieEnabled){ 
		document.cookie="testcookie"
		cookieEnabled=(document.cookie.indexOf("testcookie")!=-1)? true : false
	}

if (cookieEnabled) {
	if (get_cookie("fontSizeLotoclic")!="") {
		var fontsize = get_cookie("fontSizeLotoclic");
	}
}

if (typeof fontsize=="undefined") {
	var fontsize = minsize;
}

function setfontsize(size) {
	var body = document.getElementsByTagName("body").item(0);

	document.body.style.fontSize = "" + fontsize + "%";
	if (cookieEnabled) {
		document.cookie = "fontSizeLotoclic=" + fontsize + ";path=/;";
	}
}

function bigger() {
	fontsize = parseInt(fontsize) + 15;
	if (fontsize >= maxsize) {
		fontsize = maxsize;
	}
	setfontsize(fontsize);
}

function smaller() {
	fontsize = parseInt(fontsize) - 15;
	if (fontsize <= minsize) {
		fontsize = minsize;
	}
	setfontsize(fontsize);
}


function get_cookie(Name) {
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search)
		// if cookie exists
		if (offset != -1) {
			offset += search.length
			// set index of beginning of value
			end = document.cookie.indexOf(";", offset);
			// set index of end of cookie value
			if (end == -1) 
				end = document.cookie.length;
			returnvalue=parseInt(unescape(document.cookie.substring(offset, end)));
		}
	}
	return returnvalue;
}