Using Touch to Drag Elements at iOS

Link:
http://tlrobinson.net/blog/2008/07/11/multitouch-javascript-virtual-light-table-on-iphone-v20/

http://developer.apple.com/library/safari/#documentation/appleapplications/reference/SafariWebContent/HandlingEvents/HandlingEvents.html

http://developer.apple.com/library/safari/#documentation/InternetWeb/Conceptual/SafariVisualEffectsProgGuide/InteractiveVisualEffects/InteractiveVisualEffects.html#//apple_ref/doc/uid/TP40008032-CH3-SW3

http://www.gotproject.com/blog/post2.html