Xombrero to Instapaper script

instapaper.js

/*
 * Script to add read-later urls to instapaper from xombrero
 *
 * - slightly modified version of the "Read Later" button
 *
 * To use change OMGAWESOME to the key from the "Read Later" button
 * source.
*/

var d = document, 
secret = 'OMGAWESOME',
z = d.createElement('script'),
b = document.getElementsByTagName( 'head' )[0],
l = d.location;

try{
  if( !b ) { 
    throw(0);
  }

  var url = [];
  url.push( l.protocol );
  url.push( '//www.instapaper.com/j/' );
  url.push( secret );
  url.push( '?u=' );
  url.push( encodeURIComponent( l.href ) );
  url.push( '&t=' + ( new Date().getTime() ) );

  z.setAttribute( 'src', url.join( '' ) );
  b.appendChild( z );
}catch(e){
  alert('Please wait until the page has loaded.');
  alert( e );
}