Fix Opera 9.5 strict issue that swaps documentElement.clientHeight with body.clientHeight.
Fix Opera 9.5 strict issue that swaps documentElement.clientHeight with body.clientHeight.

292388900/prototype,fashionsun/prototype,Gargaj/prototype,ldf7801528/prototype,loduis/prototype,leafo/prototype,ridixcr/prototype,ldf7801528/prototype,Gargaj/prototype,Jiasm/prototype,ldf7801528/prototype,savetheclocktower/prototype,loduis/prototype,loduis/prototype,lamsieuquay/prototype,ridixcr/prototype,fashionsun/prototype,kangax/prototype,ridixcr/prototype,Jiasm/prototype,baiyanghese/prototype,ShefronYudy/prototype,leafo/prototype,sdumitriu/prototype,sstephenson/prototype,sstephenson/prototype,sdumitriu/prototype,erpframework/prototype,lamsieuquay/prototype,fashionsun/prototype,292388900/prototype,Jiasm/prototype,292388900/prototype,sstephenson/prototype,erpframework/prototype,lamsieuquay/prototype,erpframework/prototype,Gargaj/prototype,savetheclocktower/prototype,ShefronYudy/prototype,ShefronYudy/prototype,kangax/prototype,baiyanghese/prototype,sdumitriu/prototype