ImageMap display in asp.net
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I have building image with seating positions, I have to display selected location of image on button click. example If user select seat num 120 I have to locate seat num 120 and highlight the seat num. Image is very big 2000x1500 size so I have to show the image with selected position ,like in google map it display searching location..

Please let me know how to achive this.
Thanks in advance.