ueberuns1=new Image ();
ueberuns1.src="buttons/ueberuns_light.gif";
ueberuns2=new Image ();
ueberuns2.src="buttons/ueberuns_strong.gif";

services1=new Image ();
services1.src="buttons/services_light.gif";
services2=new Image ();
services2.src="buttons/services_strong.gif";

software1=new Image ();
software1.src="buttons/software_light.gif";
software2=new Image ();
software2.src="buttons/software_strong.gif";

hardware1=new Image ();
hardware1.src="buttons/hardware_light.gif";
hardware2=new Image ();
hardware2.src="buttons/hardware_strong.gif";

schulung1=new Image ();
schulung1.src="buttons/schulung_light.gif";
schulung2=new Image ();
schulung2.src="buttons/schulung_strong.gif";

kontakt1=new Image ();
kontakt1.src="buttons/kontakt_light.gif";
kontakt2=new Image ();
kontakt2.src="buttons/kontakt_strong.gif";

partner1=new Image ();
partner1.src="buttons/partner_light.gif";
partner2=new Image ();
partner2.src="buttons/partner_strong.gif";


function tauschen (a, bild)
{
window.document.images[a].src=bild.src;
}