Might want to check into this page here

I am consistently getting a threat/error on this page:

www.rollitup.org/indoor-growing/​5359-why-do-green-leaves-turn.html

Infection Details

[TABLE="class: lineone"]
[TR]
[TH]URL:[/TH]
[TD="class: p_obj"]https://www.rollitup.org/misc.php?v[/TD]
[/TR]
[TR]
[TH]Process:[/TH]
[TD="class: p_prc"]C:\Program Files (x86)\Mozilla Firefox\f...[/TD]
[/TR]
[TR]
[TH]Infection:[/TH]
[TD="class: p_vir"]HTML:RedirDL-inf [Trj][/TD]
[/TR]
[/TABLE]

I am getting this from Avast Security Center


Forgot to add. Im using firefox up to date and getting this from Bing searches:
http://www.bing.com/search?q=When+Marijuana+Leaves+Turn+Yellow&FORM=R5FD1

Same thing happens on IE9