css - Change cursor over HTML5 Canvas when dragging the mouse -

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i have made paint brush type of application using canvas tag . wanted when mouse on canvas cursor changes ,

<canvas id="draw" style="cursor: url(image/pencil.cur)">

i have accomplished cant figure out how shall change cursor while drag mouse drawing image

use :active css pseudo-class change cursor when mouse button down on element:

#draw:active {      cursor: url(image/pencil.cur); }

working example: http://jsfiddle.net/nxv63/


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