function norm () {
//	document.getElementById("txt_caption").style.fontSize = "30px";
	document.getElementById("txt1").style.fontSize = "14px";
	document.getElementById("txt2").style.fontSize = "14px";

	var a = new Date();
	a = new Date(a.getTime() +1000*60*60*24*365);
	document.cookie = 'font=normal; expires='+a.toGMTString()+';'; 
	//alert ("Setze Cookie = 14px");
}
function large () {
//	document.getElementById("txt_caption").style.fontSize = "40px";
    document.getElementById("txt1").style.fontSize = "18px";
    document.getElementById("txt2").style.fontSize = "18px";

	var a = new Date();
	a = new Date(a.getTime() +1000*60*60*24*365);
	document.cookie = 'font=large; expires='+a.toGMTString()+';'; 
	//alert ("Setze Cookie = 18px");
}
function xlarge () {
//	document.getElementById("txt_caption").style.fontSize = "50px";
    document.getElementById("txt1").style.fontSize = "22px";
    document.getElementById("txt2").style.fontSize = "22px";
	
	var a = new Date();
	a = new Date(a.getTime() +1000*60*60*24*365);
	document.cookie = 'font=xlarge; expires='+a.toGMTString()+';'; 
	//alert ("Setze Cookie = 22px");
}
function getFont () {
	if (document.cookie) {
		//alert ("Cookie: "+document.cookie);
		if(document.cookie == 'font=normal'){  
//			document.getElementById("txt_caption").style.fontSize = "30px";
			document.getElementById("txt1").style.fontSize = "14px";
			document.getElementById("txt2").style.fontSize = "14px";
			//alert ("Fontgröße 14px");
		}
		else if(document.cookie == 'font=large'){  
//			document.getElementById("txt_caption").style.fontSize = "40px";
			document.getElementById("txt1").style.fontSize = "18px";
			document.getElementById("txt2").style.fontSize = "18px";
			//alert ("Fontgröße 18px");
		}
		else if(document.cookie == 'font=xlarge'){  
//			document.getElementById("txt_caption").style.fontSize = "50px";
			document.getElementById("txt1").style.fontSize = "22px";
			document.getElementById("txt2").style.fontSize = "22px";
			//alert ("Fontgröße 22px");
		}
	}
}