function imgchange(id,nr,count,img){
        var i;
        for(i=1;i<=count;i++){
            $(id +'_'+ i).className = '';
            $('imglayer1_'+ i).style.display = 'none';
        }
        $(id +'_'+nr).className = 'selected';
        $('imglayer1_'+nr).style.display= 'block';
    }

function addtocart(id,m){
    par = 'p='+id+'&m='+m+'&f='+ $('farbe').value +'&g='+ $('groesse').value +'';

    new Ajax.Updater(   'warenkorb',
                        'front_content.php?idcatart=16',
                        {   method: 'post',
                            parameters: par,
                            onLoading: loading('warenkorb')
                        }
                        );
}
function editcart(id,m,f,g){
    par = 'p='+id+'&m='+m+'&f='+f+'&g='+g+'';

    new Ajax.Updater(   'warenkorb',
                        'front_content.php?idcatart=16',
                        {   method: 'post',
                            parameters: par,
                            onLoading: loading('warenkorb')
                        }
                        );
}

function warenkorb(id,art){
    par = 'p='+id+'&m='+ $(id).value +'&art='+art;

    new Ajax.Updater(   'warenkorb',
                        'front_content.php?idcatart=16',
                        {   method: 'post',
                            parameters: par,
                            onLoading: loading('warenkorb')
                        }
                        );
}

function loading(id){
     $(id).innerHTML = 'lade...';
}