Use viewer.addOverlay instead of drawer.addOverlay in collection mode
Use viewer.addOverlay instead of drawer.addOverlay in collection mode

jmnetus/openseadragon,TMUND/openseadragon,daverome/openseadragon,msalsbery/openseadragon,TMUND/openseadragon,lidasong2014/openseadragon,avandecreme/openseadragon,janelia-flyem/openseadragon,openseadragon/openseadragon,Iced-Tea/openseadragon,jmnetus/openseadragon,msalsbery/openseadragon,avandecreme/openseadragon,shaunstanislaus/openseadragon,rdlester/openseadragon,shaunstanislaus/openseadragon,LarissaSmith/openseadragon,seanich/openseadragon,ricochet2200/openseadragon,ricochet2200/openseadragon,mcanthony/openseadragon,LarissaSmith/openseadragon,seanich/openseadragon,sul-dlss/openseadragon,mcanthony/openseadragon,rdlester/openseadragon,goofwear/openseadragon,daverome/openseadragon,goofwear/openseadragon,Iced-Tea/openseadragon,janelia-flyem/openseadragon,lidasong2014/openseadragon,openseadragon/openseadragon