function photo01(){aWindow=window.open("photo01.html","chargement","resizable=no,toolbar=no,scrollbars=no,width=768,height=530,top=100,left=100");} 
function photo02(){bWindow=window.open("photo02.html","chargement","resizable=no,toolbar=no,scrollbars=no,width=768,height=530,top=100,left=100");} 
function photo03(){cWindow=window.open("photo03.html","chargement","resizable=no,toolbar=no,scrollbars=no,width=768,height=530,top=100,left=100");} 
function photo04(){dWindow=window.open("photo04.html","chargement","resizable=no,toolbar=no,scrollbars=no,width=768,height=530,top=100,left=100");} 
function photo05(){dWindow=window.open("photo05.html","chargement","resizable=no,toolbar=no,scrollbars=no,width=768,height=530,top=100,left=100");} 
function photo06(){dWindow=window.open("trek01.html","chargement","resizable=no,toolbar=no,scrollbars=no,width=768,height=530,top=100,left=100");}