Keep cursor blinking even when window is not active

[Prince Thrash]

The title says it all, really.  I've used the cursorblink option to have a blinking cursor, now I want that cursor to always blink, even when the window is inactive.  As it stands, I get a hollow and non-blinking rectangle when urxvt doesnt have focus, as in other terminal programs, but I would like the cursor to stay solid (if possible) and stay blinking, no matter what window has focus/is active. 
This is part of a little present for a friend, and this is my last hurdle before completion, so thanks for any clues.    		 	   		  
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