function changeImage( imgObj )
{
document.getElementById( "myBigImage" ).src = imgObj;
}

function changeBigImage( imgBigObj )
{
document.getElementById( "myBigBigImage" ).src = imgBigObj;
}

function popuppen (adresse,fenstername,parameter) {
    popupfenster = window.open(adresse, fenstername, parameter);
    popupfenster.moveTo(80,50);
    popupfenster.focus();
}