Tidier code which visually better represents icon positions.
Removed extra space.
Bound mouse buttons.
A cleaner way to write the same code.
Reverted back to 22x20 tiles, eliminating spacing.
Re-arranged tiles into a single horizontal row.
Modified icon-drawing to use newly formatted tilesheet.
Detect when the toolbar is clicked with the mouse.
A working but very finicky drag-and-drop effect.
Removed unused variables.
Drag-and-drop looks as expected.
Fixed bug allowing the user to drag the entity by clicking an invalid area.
Renamed and declared variable.
Added jQuery.
Made the canvas transparent.
Canvas fills browser viewport.