4 try { o1
= window
.getSelection() } catch (e
) {}
5 try { o2
= document
.createRange() } catch (e
) {}
6 try { document
.head
.replaceWith('', document
.documentElement
) } catch (e
) {}
7 try { o1
.addRange(o2
) } catch (e
) {}
8 try { document
.designMode
= 'on' } catch (e
) {}
9 try { o1
.focusNode
.execCommand('justifyleft', false, null) } catch (e
) {}
