var url1;
function fenster1(url1) {
window.open(url1,"fenster","height=550,width=680,left=0,top=0,resizable=0,scrollbars=1,status=1");
}
var url2;
function fenster2(url2) {
window.open(url2,"fenster","height=500,width=327,left=40,top=50,resizable=no,scrollbars=no,status=no");
}