// Adicionando listener para right-click Object. extend ( Event, { isRightClick: function ( event ) { return ( ( ( event. which ) && ( event. which == 1 ) ) || ( ( event. button ) && ( event. button == 2 ) ) ) ; } } ) ; document. observe ( "dom:loaded" , function ( ) { $A ( document. documentElement . select ( '[rightClick]' ) ) . each ( function ( i ) { i. observe ( 'contextmenu' , function ( ) { eval ( i. readAttribute ( 'rightClick' ) ) } ) ; } ) ; } ) ;