Resistor color code chart
http://www.tardis.ed.ac.uk/~lucien/Electronic/resistor.html

--[|1| |2| |3| |4| |5|]--
1 = 1st digit
2 = 2nd digit
3 = Multiplier
4 = Tolerance, ie. how close to the stated value it is.
  red      2%
  gold     5%
  silver  10%
  none    20%
5 = Reliability (optional, usually for military marking)

Digit Color  Multiplier  
-     silver 0.01  
-     gold   0.1  
0     black  1  
1     brown  10  
2     red    100  
3     orange 1k  
4     yellow 10k  
5     grey   100k  
6     blue   1M  
7     violet 10M  
8     grey   -  
9     white  -