We won't do your homework for a reason. If it is important in your learning curve, than you should learn. Search, read, investigate, struggle a little bit. If we make your homework, how will you earn your graduation? Will you ask us to do your job related tasks too?
By the way this question is faaaar to unelaborated to be answered properly... web is not really a platform for drawing, but there are several things you can do to solve such a task. But it really depends on what has been told to you to use or not use.
You can start by looking over these articles, reading and understanding the solution and the code, and you can use them to make project work:
http://msdn.microsoft.com/en-us/magazine/cc135985.aspx[
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http://msdn.microsoft.com/en-us/hh534406.aspx[
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http://www.html5canvastutorials.com/kineticjs/html5-canvas-drag-and-drop-tutorial/[
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