javascript:
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.instapaper.com/b',
l=d.location,
e=encodeURIComponent,
p='?v=3&u='+e(l.href) +'&t='+e(d.title) +'&s='+e(s),
u=f+p;
try{
if(!/^(.*\.)?instapaper([^.]*)?$/.test(l.host))
throw(0);
iptstbt();
}
catch(z){
a =function(){
if(!w.open(u,'t','toolbar=0,resizable=0,status=1,width=250,height=150'))
l.href=u;
};
if(/Firefox/.test(navigator.userAgent))
setTimeout(a,0);
else
a();
}void(0)
