function pc( myid ){
    //alert(myid);
    //this.className=\'product_teaser_over\';
    //alert(ele.className);
    var myclassname = document.getElementById(myid).className;
    //alert(myclassname);
    if ( myclassname == 'product_teaser') document.getElementById(myid).className = 'product_teaser_over';
    else if ( myclassname == 'product_teaser_over') document.getElementById(myid).className = 'product_teaser';
    else if ( myclassname == 'product_teaser_open') document.getElementById(myid).className = 'product_teaser_open';

  }