function shop_ajax(url,pars,target, callback) {
    var myAjax = new Ajax.Updater( target,
    url,
    {
    method: 'get',
    asynchronous: true,
    parameters: pars,
    onComplete: callback,
    evalScripts: false
    });
}

        function tauschen(name){
            if (document.getElementById(name).style.display == "none"){
                document.getElementById(name).style.display = "block";
                return;
                }
            if (document.getElementById(name).style.display == "block"){
            document.getElementById(name).style.display = "none";
                return;
            }
        }
        function verstecken(name){
            document.getElementById(name).style.display = "none";
            return;
         }
        function zeigen(name){
            document.getElementById(name).style.display = "block";
            return;
         }
      


        function produkt_name ( artikel ) {

            var feld = document.getElementById(artikel);

            if ( feld.nodeName == 'INPUT' && feld.name != '' )
                return '- ' + feld.name;
            else if ( feld.nodeName == 'SELECT' )
                return '- ' + feld.options[feld.selectedIndex].text.substring(0,feld.options[feld.selectedIndex].text.lastIndexOf('-') - 1 );
            else return '';

        }

function show_wkhinweis ( meldung ) {
    document.getElementById ( 'warenkorbmeldung' ).innerHTML = meldung;
    document.getElementById ( 'warenkorbmeldung' ).style.display = 'block';
    setTimeout ( 'hide_wkhinweis()' , 2000 );
}
function hide_wkhinweis (  ) {
    document.getElementById ( 'warenkorbmeldung' ).style.display = 'none';

}