var leftClosed=true;var rightClosed=true;function doSlideLeft(){if(!leftClosed){new Effect.Move("left",{x:-189});leftClosed=true}else{var a=Position.cumulativeOffset($("left"))[1];$("left").setStyle({top:a+"px"});new Effect.Move("left",{x:189});leftClosed=false}}function doSlideRight(a){if(a==null){var a="255px"}if(!rightClosed){new Effect.Morph("right",{style:{width:"0px"}});rightClosed=true}else{var b=Position.cumulativeOffset($("right"))[1];$("right").setStyle({top:b+"px"});new Effect.Morph("right",{style:{width:a}});rightClosed=false}};