Hi malware fighters,
Readabout analyzing malicious obfuscated script: http://www.cs.uiowa.edu/~ejjung/srg/malware.pdf
Analyzing obfuscated suspicious javascript and comparing packer - jsmin - dojo & yui-compressor can be done online here:
http://www.askapache.com/tools/online-compression-tool-compares-packer-jsmin-dojo-and-yui-compressor.html
Use this online compressor: http://www.javascript-obfuscator.com/
and this: http://dean.edwards.name/packer/
polonus