function INSAWin()
{ 
var iWin = window.open("http://www.lvb.de/html/insa/insa_frame.php", "INSA", "resizable=yes,scrollbars=yes,menubar=no,toolbar=yes,status=no,width=795,height=530,left=0,top=0");
 iWin.focus();
 return true;
}