function larger() {
	var cookiesize = readCookie('typesize');

	if (cookiesize == null) {
		cookiesize = '100' ;
	}
	
	var size = Number(cookiesize);

	var body = document.getElementsByTagName('body')[0] ;
	var largersize = (size + 10) ;
	body.style.fontSize = largersize + '%' ;
	
	createCookie('typesize',largersize);
}

function smaller() {
	var cookiesize = readCookie('typesize');

	if (cookiesize == null) {
		cookiesize = '100' ;
	}
	
	var size = Number(cookiesize);

	var body = document.getElementsByTagName('body')[0] ;
	var smallersize = (size - 10) ;
	body.style.fontSize = smallersize + '%'  ;
	
	createCookie('typesize',smallersize);
}

function textsize() {
	var cookiesize = readCookie('typesize') ;
	
	if ( (cookiesize == null) || (cookiesize == '100') ) {
		return;
	}
	
	else {
		var body = document.getElementsByTagName('body')[0] ;
		body.style.fontSize = cookiesize + '%' ;
	}
}