function einblenden(divid) {
document.getElementById(divid).style.display='block';
}
function ausblenden(divid) {
document.getElementById(divid).style.display='none';
}
function ow(page,pname){
var opener = window.open(page, pname , "menubar=yes,locationbar=yes,scrollbars=yes,status=yes,personalbar=no,width=400,height=300,screenx=0,screeny=0,resizable=yes,copyhistory=0")
}