IDHTTP GET ERROR

Posted by WS on March 25, 19103 at 00:49:03:

I AM DOING THIS
CAd := 'http://web.jce.do/consultas/FOTOS/MYFOTO.JPG';
fs := TMemoryStream.Create;
idhttp1.Get(Cad,fs)
fs.SaveToFile('c:\seguro\fotos\'+ced+'.jpg');

BUT I WOULD LIKE TO KNOW HOW TO GET THE EXCEPTION WHEN THE URL IN CAd DO NOT EXIST, BECAUSE MY PROGRAM IS BREAKING IN THAT CASE