subsite                 = new Image(378, 70);
subsiteOver             = new Image(378, 70);
subsite.src             = "gifs/physicsastronomy.gif";
subsiteOver.src = "gifs/SiteMapEnglish.gif";

german                 = new Image(98, 56);
germanOver             = new Image(98, 56);
german.src             = "gifs/german.gif";
germanOver.src = "gifs/aufDeutsch.gif";

GeoAstro                 = new Image(154, 84);
GeoAstroOver             = new Image(154, 84);
GeoAstro .src             = "gifs/GeoAstroApplets.gif";
GeoAstroOver.src = "gifs/GeoAstroAppText.gif";

java                 = new Image(182, 56);
javaOver          = new Image(182, 56);
java.src            = "gifs/java.gif";
javaOver .src  = "gifs/JavaEnglishText.gif";

chaos                = new Image(210, 56);
chaosOver          = new Image(210, 56);
chaos.src            = "gifs/chaos.gif";
chaosOver.src  = "gifs/chaosEnglishText.gif";

miscellaneous                 = new Image(140, 56);
miscellaneousOver          = new Image(140, 56);
miscellaneous.src            = "gifs/miscellaneous.gif";
miscellaneousOver.src  = "gifs/miscellaneousText.gif";

whoiswho               = new Image(168, 56);
whoiswhoOver          = new Image(168, 56);
whoiswho.src            = "gifs/whoiswho.gif";
whoiswhoOver.src  = "gifs/WhoIsItText.gif";

MacPrograms                 = new Image(168, 56);
MacProgramsOver          = new Image(168, 56);
MacPrograms.src            = "gifs/MacPrograms.gif";
MacProgramsOver.src  = "gifs/macEnglishText.gif";

physicsQuiz                 = new Image(126, 56);
physicsQuizOver          = new Image(126, 56);
physicsQuiz.src            = "gifs/physicsQuiz.gif";
physicsQuizOver.src  = "gifs/physicsQuizText.gif";

astronomy = new Image(168, 56);
astronomyOver = new Image(168, 56);
astronomy.src            = "gifs/astronomy.gif";
astronomyOver.src  = "gifs/astronomytext.gif";

venus = new Image (126,56);
venusOver = new Image (115,57);
venus.src = "gifs/VenusTransitOrdner.jpg";
venusOver.src = "gifs/venusEnglishText.gif";


mercury = new Image(140,56);
mercuryOver = new Image (140,56);
mercury.src = "gifs/MercuryTransitOrdner.gif";
mercuryOver.src = "gifs/mercuryText.gif";

function imgOn(imgName) {
        document.images[imgName].src = eval (imgName + "Over.src");
}

function imgOff(imgName) {
        document.images[imgName].src = eval (imgName + ".src");
}

function getCookie(name){
var cname = name + "=";               
var dc = document.cookie;             
    if (dc.length > 0) {              
    begin = dc.indexOf(cname);       
        if (begin != -1) {           
        begin += cname.length;       
        end = dc.indexOf(";", begin);
            if (end == -1) end = dc.length;
            return unescape(dc.substring(begin, end));
        } 
    }
return null;
}

function setCookie(name, value, expires) {
document.cookie = name + "=" + escape(value) + "; path=/" +
((expires == null) ? "" : "; expires=" + expires.toGMTString());
}

var exp = new Date(); // make new date object
var theDate = new Date();
var a = 1
var n;
exp.setTime(exp.getTime() + (1000 * 60 * 60 * 24 * 365)); // set it 365 days ahead
if (getCookie("my_counter_en") == null )
	{ 
    setCookie("my_counter_en", a, exp);                  
    }
	 else
	 {	 
	 n = eval(getCookie("my_counter_en")) + 1;
	 setCookie("my_counter_en", n, exp);	 
	 }

function Wert(select) { for (var i=0;
i<select.options.length; i++)
{if (select.options[i].selected) return select.options[i].value;}

return "none"}