var hWndPopup=null;
function NeuesFenster(URL,BREITE,HOEHE)
{
 if(hWndPopup!=null&&hWndPopup.closed)hWndPopup=null;
 if(hWndPopup!=null)
  hWndPopup.location.href=URL;
 else
 hWndPopup=window.open(URL,"WndPopup","width="+BREITE+",height="+HOEHE+",top=0,left=0,screenX=0,screenY=0,scrollbars=1,resizable=1");
 hWndPopup.focus();
}


function CaricaFoto(img){ 
  foto1= new Image(); 
  foto1.src=(img); 
  Controlla(img); 
} 
function Controlla(img){ 
  if((foto1.width!=0)&&(foto1.height!=0)){ 
    viewFoto(img); 
  } 
  else{ 
    funzione="Controlla('"+img+"')"; 
    intervallo=setTimeout(funzione,20); 
  } 
} 
function viewFoto(img){ 
  largh=foto1.width+20; 
  altez=foto1.height+20; 
  stringa="width="+largh+",height="+altez; 
  finestra=window.open(img,"",stringa); 
}