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

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

if (document.images)
{
imgu1on=new Image(); imgu1on.src="img/snav_ueberuns_over.gif";
imgu1off=new Image(); imgu1off.src="img/snav_ueberuns_off.gif";

imgu2on=new Image(); imgu2on.src="img/snav_geschichte_over.gif";
imgu2off=new Image(); imgu2off.src="img/snav_geschichte_off.gif";

imgu3on=new Image(); imgu3on.src="img/snav_awards_over.gif";
imgu3off=new Image(); imgu3off.src="img/snav_awards_off.gif";

imgu4on=new Image(); imgu4on.src="img/snav_plagiarius_over.gif";
imgu4off=new Image(); imgu4off.src="img/snav_plagiarius_off.gif";

imgu5on=new Image(); imgu5on.src="img/snav_team_over.gif";
imgu5off=new Image(); imgu5off.src="img/snav_team_off.gif";

imgu6on=new Image(); imgu6on.src="img/snav_jobs_over.gif";
imgu6off=new Image(); imgu6off.src="img/snav_jobs_off.gif";

imgu7on=new Image(); imgu7on.src="img/e_snav_about_over.gif";
imgu7off=new Image(); imgu7off.src="img/e_snav_about_off.gif";

imgu8on=new Image(); imgu8on.src="img/e_snav_history_over.gif";
imgu8off=new Image(); imgu8off.src="img/e_snav_history_off.gif";

imgu9on=new Image(); imgu9on.src="img/snav_blda_over.gif";
imgu9off=new Image(); imgu9off.src="img/snav_blda_off.gif";

}