drag
open	/rico/demos.page.html
dragAndDropToObject	id=d0	id=dropZone2
dragAndDropToObject	id=d1	id=dropZone1
dragAndDropToObject	id=d2	id=dropZone1
dragAndDropToObject	id=d3	id=dropZone1
dragAndDropToObject	id=d4	id=dropZone3