구글 비주얼 API [Google Visualization API] 캬.. 멋지구나~ http://code.google.com/intl/ko-KR/apis/visualization/interactive_charts.html http://code.google.com/intl/ko-KR/apis/visualization/documentation/index.html http://code.google.com/intl/ko-KR/apis/visualization/documentation/using_overview.html http://code.google.com/intl/ko-KR/apis/visualization/documentation/reference.