Scroll under map, zoom after click and scroll again after mousout

GMap - scroll>click>mouseout

    google.maps.event.addListener(map, 'click', function(event){
        this.setOptions({scrollwheel:true});
    });
    google.maps.event.addListener(map, 'mouseout', function(event){
        this.setOptions({scrollwheel:false});
    });
    google.maps.event.addListener(map, 'click', function(event){
        this.setOptions({draggable:true });
    });
    google.maps.event.addListener(map, 'idle', function(event){
        this.setOptions({draggable:false });
    });