var fenster;

function abg(url)
{

fenster = window.open(''+url, 'Name1','toolbar=no,status=no,menubar=no,scrollbars=yes,top=150,left=600,width=400,height=500');
  	fenster.focus();

}


function abg_gr(url)
{

fenster = window.open(''+url, 'Name2','toolbar=no,status=no,menubar=no,scrollbars=yes,top=20,left=20,width=500,height=650');
  	fenster.focus();

}