* About 200,000 people affected
* Seven airports closed, expected to reopen on Saturday
* Two killed after roofs collapsed under weight of ash
By Fergus Jensen and Kanupriya Kapoor
JAKARTA, Feb 14 (Reuters) - More than 76,000 people fled their homes and flights were grounded across most of Indonesia's densely populated island of Java on Friday after a volcanic eruption sent a huge plume...