function sizeSmall() {
	var textsize = 12;
	fsize(textsize, 'article');
}

function sizeMedium() {
	var textsize = 13;
	fsize(textsize, 'article');
}

function sizeLarge() {
	var textsize = 16;
	fsize(textsize, 'article');
}

function fsize(size,id){
	var vfontsize = document.getElementById(id);
	if(vfontsize){
		vfontsize.style.fontSize = size + 'px';
		createCookie("textsizestyle", size, 365);
	}
}

function initFontSize() {
	var cookietextsize = readCookie("textsizestyle");
	if (cookietextsize) {
		fsize(cookietextsize, 'article');
	}
}

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 = "";
	cookie = name+"="+value+expires+"; path=/";
	document.cookie = cookie;
}

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 null;
}