IntroductionMisuse of prescription drugs has risen over the pastdecade, especially in the USA where prescriptionmisuse has been described to be at epidemic levels[1,2]. In Australia, morphine prescription per personamong 15–54 year-olds almost doubled from 1995 to2003 [3]. Considerable harms accompany this misuse,with mortality associated with pharmaceutical opioidsexceeding that documented with heroin or cocaine [4].Emergency room mentions of psychotropic drugs inthe USA also doubled from 1994 to 2001, with largeincreases in mentions of hydrocodone and oxycodoneproducts [5].Over the past decade, Internet use has also increasedconsiderably. Over the period from 1998 to 2006/2007,the percentage of Australian households with access tothe Internet increased from 16% to 64%, with over