China announced the three days starting May 19 as national mourning days for the victims who died in a massive earthquake that struck southwest China´s Sichuan Province on May 12.

National flags are to fly at half-mast and all public amusements will be suspended for three days from Monday as China begins an official mourning period for victims of the May 12 earthquake.

The State Council, the Cabinet, on Sunday ordered a nationwide display of respect for the dead.

China´s missions abroad were also ordered to observe the order, and condolence books are to be opened in the Foreign Ministry and Chinese embassies and consulates around the world.

The public are asked to stand in silence for three minutes from 2:28 pm on Monday, the time the deadly quake hit, while automobiles, trains, and ships would sound their air sirens.

source: http://www.cctv.com/english/special/earthquake/13/index.shtml
picures: http://news.cctv.com/china/20080520/100947.shtml

Mostly chinese websites also set the style in gray for 3 days as mourning for quake victims.. If you using IE browser, mostly sites will shows correct in gray since they use “filter: gray” works for IE only. FF will not see change.