var a = new Date();
a = new Date(a.getTime() +1000*60*60*24*365);

function medium(){
document.getElementById('CSS').href = 'css/medium.css';
document.getElementById('aa').src='img/aa_over.gif'
document.getElementById('aaa').src='img/aaa.gif'
document.getElementById('a').src='img/a.gif'
document.cookie = 'fontsize=medium; expires='+a.toGMTString()+';';
	//Response.Cookies("fontsize")="medium"
changePics('medium');
	}

function smaller(){
	document.getElementById('CSS').href = 'css/screen.css';
	document.getElementById('a').src='img/a_over.gif'
	document.getElementById('aaa').src='img/aaa.gif'
	document.getElementById('aa').src='img/aa.gif'
	document.cookie = 'fontsize=smaller; expires='+a.toGMTString()+';';
	//alert(document.cookie);
	//Response.Cookies("fontsize")="smaller"
changePics('smaller');
}

function large(){
	document.getElementById('CSS').href = 'css/large.css';
	document.getElementById('aaa').src='img/aaa_over.gif'
	document.getElementById('aa').src='img/aa.gif'
	document.getElementById('a').src='img/a.gif'
	document.cookie = 'fontsize=large; expires='+a.toGMTString()+';';
	//Response.Cookies("fontsize")="large"
	changePics('large');
}

function changePics(ordner){

arr_menu = new Array('hm1','hm2','hm3','hm4','hm5','hm6');
	for (var i=0;i<=5;i++){
		if (document.getElementById(arr_menu[i])){
			document.getElementById(arr_menu[i]).src='img/'+ordner+'/'+arr_menu[i]+'.gif';
		}
	}
}