function switchFontSize() {
	jar = new CookieJar();
	var stylepath = 'fileadmin/template/css/custom/size';
	if($('fontsizeStylesheet')) {
		var cookstyle = jar.get('Stylesheet');
		if (cookstyle == false || cookstyle == undefined) {
			cookstyle = '0';
			jar.put('Stylesheet', cookstyle);
		}
		if(cookstyle==0) {
			$('fontsizeStylesheet').href = stylepath + '1.css';
			jar.put('Stylesheet', 1);
		} else {
			$('fontsizeStylesheet').href = stylepath + '0.css';
			jar.put('Stylesheet', 0);
		}
	} else {
		var cookstyle = jar.get('Stylesheet');
		if (cookstyle == false || cookstyle == undefined) {
			cookstyle = '0';
			jar.put('Stylesheet', cookstyle);
		}
		var head = document.getElementsByTagName('head')[0];
		
		script = new Element('link', { type: 'text/css', rel: 'stylesheet', href: stylepath+cookstyle+".css", media: 'screen', id: 'fontsizeStylesheet' });
		$(head).appendChild(script);

	}
}

document.observe("dom:loaded", switchFontSize);