document.getElementsByTagName("link")[0].disabled = true;
	document.getElementsByTagName("link")[1].disabled = true;
	document.getElementsByTagName("link")[2].disabled = true;
	
	function selectStyle (typ) {

		if (typ == 'small'){
			document.getElementsByTagName("link")[0].disabled = false;
			document.getElementsByTagName("link")[1].disabled = true;
			document.getElementsByTagName("link")[2].disabled = true;
		}
		else if (typ == 'large'){
			document.getElementsByTagName("link")[0].disabled = true;
			document.getElementsByTagName("link")[1].disabled = false;
			document.getElementsByTagName("link")[2].disabled = true;
		}
		else if (typ == 'medium'){
			document.getElementsByTagName("link")[0].disabled = true;
			document.getElementsByTagName("link")[1].disabled = true;
			document.getElementsByTagName("link")[2].disabled = false;
		}
		else {
			document.getElementsByTagName("link")[0].disabled = true;
			document.getElementsByTagName("link")[1].disabled = true;
			document.getElementsByTagName("link")[2].disabled = true;
		}
	}