로딩바UI 스크립트

http://www.happycgi.com/15279

http://hiddensource.tistory.com/13

http://stackoverflow.com/questions/3951903/how-to-make-a-progress-bar

http://firejune.com/917/%EC%9D%B4%EB%AF%B8%EC%A7%80+%EB%A1%9C%EB%94%A9+%ED%94%84%EB%A1%9C%EA%B7%B8%EB%A0%88%EC%8A%A4-%EB%B0%94

http://hangunsworld.com/blog/1392

http://zetawiki.com/wiki/JQuery_UI_%ED%94%84%EB%A1%9C%EA%B7%B8%EB%A0%88%EC%8A%A4%EB%B0%94

http://codepen.io/varzin/pen/GgMjLx

http://www.w3schools.com/bootstrap/bootstrap_progressbars.asp

https://kimmobrunfeldt.github.io/progressbar.js/

http://wooreeweb.com/lecture/archives/1716

http://leelooc.tistory.com/144

http://taeyo.net/Forum/Content.aspx?TBL=ASP&SEQ=160533

http://cy.cyworld.com/home/39925542/post/54C843417455763D03A48401

http://kmoonki.tistory.com/283 - AJAX 로딩바

http://www.fbml.co.kr/2014/05/16/110-free-progress-loading-bar-psd-designs/ - 로딩바 psd 파일