tumblrのブックマークレット

var d=document,
w=window,
e=w.getSelection,
k=d.getSelection,
x=d.selection,
s=(e?e():(k)?k():(x?x.createRange().text:0)),
f='http://www.tumblr.com/share',
l=d.location,
e=encodeURIComponent,
p='?v=3&u='+e(l.href) +'&t='+e(d.title) +'&s='+e(s),
u=f+p;
try{
	if(!/^(.*\.)?tumblr[^.]*$/.test(l.host))
		throw(0);
	tstbklt();
}
catch(z){
	a =function(){
		if(!w.open(u,'t','toolbar=0,resizable=0,status=1,width=450,height=430'))
			l.href=u;
	};
	if(/Firefox/.test(navigator.userAgent))
		setTimeout(a,0);
	else a();
}void(0)