browserName=navigator.appName;
browserVer=parseInt(navigator.appVersion);
if(browserVer >=3) 
	version="3";
else
	version="2";


if (version=="3")

{
a_on=new Image;
a_on.src="images/hauptseite2.png";
a_off=new Image;
a_off.src="images/hauptseite1.png";

b_on=new Image;
b_on.src="images/informationen2.png";
b_off=new Image;
b_off.src="images/informationen1.png";

c_on=new Image;
c_on.src="images/vorlesungen2.png";
c_off=new Image;
c_off.src="images/vorlesungen1.png";

d_on=new Image;
d_on.src="images/sprechstunde2.png";
d_off=new Image;
d_off.src="images/sprechstunde1.png";

e_on=new Image;
e_on.src="images/schriftenverzeichnis2.png";
e_off=new Image;
e_off.src="images/schriftenverzeichnis1.png";

f_on=new Image;
f_on.src="images/lebenslauf2.png";
f_off=new Image;
f_off.src="images/lebenslauf1.png";

g_on=new Image;
g_on.src="images/email2.png";
g_off=new Image;
g_off.src="images/email1.png";

h_on=new Image;
h_on.src="images/riezlern2.png";
h_off=new Image;
h_off.src="images/riezlern1.png";

i_on=new Image;
i_on.src="images/edersee2.png";
i_off=new Image;
i_off.src="images/edersee1.png";

j_on=new Image;
j_on.src="images/lawandeconomics2.png";
j_off=new Image;
j_off.src="images/lawandeconomics1.png";

}function rollIn(imgName){if (version=="3"){document[imgName].src=eval(imgName + "on.src");}
}function rollOut(imgName){if (version=="3"){document[imgName].src=eval(imgName + "off.src");}}
function photo_Popup(name,width,height) {
var newWindow = window.open((name), 'popup', 'width=' + width + ',height=' +
 height +',scrollbars=no,resizable=no,toolbar=no,status=no,menubar=no');}