Multiple coloured inputs for one graph

[WillyWinkel]

Another enhancement idea:
what about multiple coloured lines with legend per graph?
say I want to track killed bier against mate bottles per month.
Just an idea :)

[WillyWinkel]

Two example inputs
input1:

50 0.00654966447365 0.000663856171405
100 0.00517688564647 0.000480519908427
250 0.00414059513522 0.000369445504805
500 0.00339962872981 0.000301768846758
750 0.00289764298689 0.000255947933848
1000 0.00289764298689 0.000255947933848

input2:

50 0.592266998812 0.0446555447579
100 0.4810986053 0.0295248388512
250 0.6065338804 0.0272035312421
500 0.537320321241 0.0230802627705
750 0.53503811766 0.0203022327918
1000 0.53503811766 0.0203022327918