Ok for the multiple timeframe analysis and if something like this happen what should I do? (using this method)
http://bitcoincharts.com/charts/chart.png?width=940&m=mtgoxUSD&SubmitButton=Draw&r=5&i=6-hour&c=0&s=&e=&Prev=&Next=&t=S&b=&a1=EMA&m1=10&a2=EMA&m2=21&x=0&i1=&i2=&i3=&i4=&v=1&cv=0&ps=0&l=0&p=0&

http://bitcoincharts.com/charts/chart.png?width=940&m=mtgoxUSD&SubmitButton=Draw&r=2&i=Hourly&c=0&s=&e=&Prev=&Next=&t=S&b=&a1=EMA&m1=10&a2=EMA&m2=21&x=0&i1=&i2=&i3=&i4=&v=1&cv=0&ps=0&l=0&p=0&

higher time frame say "hold" and primary trend say "sell", I think it's sell.

edit:
I mean what information the longer time frame give? The trend of the market? That's what I suppose.