// navigation top (tabs)
homeOn = new Image();
homeOn.src = "images/tab_home_on.jpg";
homeOff = new Image();
homeOff.src = "images/tab_home_off.jpg";

archivOn = new Image();
archivOn.src = "images/tab_archiv_on.jpg";
archivOff = new Image();
archivOff.src = "images/tab_archiv_off.jpg";

teamOn = new Image();
teamOn.src = "images/tab_team_on.jpg";
teamOff = new Image();
teamOff.src = "images/tab_team_off.jpg";

inserateOn = new Image();
inserateOn.src = "images/tab_inserate_on.jpg";
inserateOff = new Image();
inserateOff.src = "images/tab_inserate_off.jpg";

// navigation right
mitmachenOn = new Image();
mitmachenOn.src = "images/nav_mitmachen_on.gif";
mitmachenOff = new Image();
mitmachenOff.src = "images/nav_mitmachen_off.gif";

themaOn = new Image();
themaOn.src = "images/nav_thema_on.gif";
themaOff = new Image();
themaOff.src = "images/nav_thema_off.gif";

feedbackOn = new Image();
feedbackOn.src = "images/nav_feedback_on.gif";
feedbackOff = new Image();
feedbackOff.src = "images/nav_feedback_off.gif";

newsletterOn = new Image();
newsletterOn.src = "images/nav_newsletter_on.gif";
newsletterOff = new Image();
newsletterOff.src = "images/nav_newsletter_off.gif";

abonnierenOn = new Image();
abonnierenOn.src = "images/nav_abonnieren_on.gif";
abonnierenOff = new Image();
abonnierenOff.src = "images/nav_abonnieren_off.gif";

kontaktOn = new Image();
kontaktOn.src = "images/nav_kontakt_on.gif";
kontaktOff = new Image();
kontaktOff.src = "images/nav_kontakt_off.gif";

function enable(imgID,imgObjName) {
// imgID - Name oder Nummer des auszutauschenden Bildes
// imgObjName - Name des Bildes mit dem ausgetauscht wird
document.images[imgID].src = eval(imgObjName + ".src")
}