function PopUp_640 (theURL){
  window.open(theURL,"","width=640,height=480,menubar=0,toolbar=0,scrollbars=1");
}

function PopUp_600 (theURL){
  window.open(theURL,"","width=600,height=480,menubar=0,toolbar=0,scrollbars=1");
}

function PopUp_Kritik (thefile){
  theURL = thefile+".htm";
	if (thefile.length>0) {
	  window.open(theURL,"","width=640,height=480,menubar=0,toolbar=0,scrollbars=1");
	}
}