Get current directory(without user.dir)!!!!

Dudes,
need help badly... i need to get the current directory of the jar file where it gets launched from. Since the launching takes place from an html file, the system property "user.dir" does not get set to the current directory. Both the html as well as the jar file is in the same location.
so in short, i need to get the current dir without using the user.dir that i can later set it explicitly thru my program(to the current dir)

"Search the CLASSPATH for the first occurence of your jar file... but FFS only do it once, and save the result"
Cud ya elaborate that statement.
Also, the reason i wanna know is this : my jar file references all the images that it uses, thru a relative path(./a/b/c.....). So wen i simply double click the jar file, the relative path("./") gets replaced with the current workin directory(from user.dir) and fetching of images works perfectly. But if it is launched via html, the user.dir does not get set to the current working dirctory and as a result the jar file looks for its images in the default location which is the desktop. so it doesnt work
Now that the context is clear, is there a way out???? or is there any way in which i can set the user.dir from the html itself(maybe by using javascript or somethin??)

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Get current directory(without user.dir)!!!!

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