jquery - Dynamically position element -

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i have following:

http://jsfiddle.net/oshirowanen/2vqvd/

how dynamically position .dropdown element no matter .navigation placed on screen?

edit 1:

for example, whereever .navigation on screen, .dropdown's top left corner should directly below bottom left corner of .navigation making single element when .navigation clicked on.

here go: http://jsfiddle.net/2vqvd/2/

btw, re-factored code changing both javascript , css.


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