#!/usr/bin/phantomjs
var page = require('webpage').create(),
system = require('system'),
args = system.args;

if(args.length < 2){
  console.log("Usage: " + args[0] + " '<url>'");
  phantom.exit(1);
}

page.open(args[1], function(status) {
  if (status !== 'success') {
    console.log('Unable to load the url!');
    phantom.exit();
  } else {
    window.setTimeout(function () {
      var elements = page.content.split("<");
      for(e of elements){
        if( e.includes("RY3") ){
          if( e.includes("lh3") ){
            var e = e.split('data-latest-bg="')[1];
            e = e.split('"')[0];
            console.log(e);
            break;
          }
        }
      }
      phantom.exit();
    }, 2000);
  }
});