jQuery(document).ready(function() {
    jQuery("#navigation .n-element .n-btn").click(function(){
        jQuery(this).next("#navigation .n-element .under-menu").slideToggle("medium");
        return false;
    })
});

function mouseOver()
{
        document.getElementById("a1").src = "img/Schuhe_klein/schuhe_igel.jpg";
}
function mouseOut()
{
        document.getElementById("a1").src = "img/Schuhe_klein/schuhe_schmetterling_rot.jpg";
}