anchor.diff:  				if(minutes > GLOB.CMinutes)
   					mins = minutes - GLOB.CMinutes
   				mins = input(usr,"How long (in minutes)? (Default: 1440)","Ban time",mins ? mins : 1440) as num|null
  -				if(!mins)
  +				if(mins <= 0)
  +					to_chat(usr, "<span class='danger'>[mins] is not a valid duration.</span>")
   					return
   				minutes = GLOB.CMinutes + mins
   				duration = GetExp(minutes)
  
positive.code: 			switch(alert("Temporary Ban?",,"Yes","No", "Cancel"))
  				if("Yes")
  					var/mins = input(usr,"How long (in minutes)?","Ban time",1440) as num|null
  					if(!mins)
  						return
  					var/reason = input(usr,"Please State Reason.","Reason") as message|null
  					if(!reason)
  
negative.code: 		switch(alert("Temporary Ban?",,"Yes","No", "Cancel"))
  			if("Yes")
  				var/mins = input(usr,"How long (in minutes)?","Ban time",1440) as num|null
  				if(mins <= 0)
  					to_chat(usr, "<span class='danger'>[mins] is not a valid duration.</span>")
  					return
  				var/reason = input(usr,"Please State Reason.","Reason") as message|null
  				if(!reason)
  