Literature sources generator

Ozon.js

var $ = jQuery;
function getProp(propName) {
  var props = "";
  $(".eItemProperties_name").each(function(i, e){
    if ($(e).text().indexOf(propName) != -1) {
    	props = $($(e).siblings()[0]).text().replace(/\s+/g, " ").trim();
    }
  });
  return props;
}

function getAuthors() {
  return getProp("Автор");
}

function getTitle() {
	return $(".bItemName").text().trim();
}

function getPages() {
  return getProp("Количество страниц");
}

function getPublisher() {
  return getProp("Издательство");
}

function getYear() {
  return getProp("Год выпуска");
}

function getCity() {
  var publisher = getPublisher();
  var map = {
  "Питер": "СПб"
  };
  if (Object.keys(map).indexOf(publisher) != -1) {
  return map[publisher];
  }
  var cities = ["СПб", "М"];
  var max = cities.length - 1;
  var min = 0;
  return cities[Math.round(min + (Math.random() * (max - min)))];
}

function Author(name) {
	var s = name.split(" ");
  var fir = s[0];
  var sur = s[1];
  this.getComma = function() {
  return sur + ", " + fir.charAt(0) + ".";
  };
  this.getNormal = function() {
  return fir.charAt(0) + ". " + sur;
  };
}

function generateBook() {
$(".eItemProperties_all.jsShowAll.mRoll").click();
var authors = getAuthors().split(", ");
var first = new Author(authors[0]);
var arr = [];
for (var i = 0; i < authors.length; i++) {
arr[i] = new Author(authors[i]).getNormal();
}
return first.getComma() + " " + getTitle() + " / " + arr.join(", ") + ". — " + getCity() + ": " + getPublisher() + ", " + getYear() + ". — " + getPages() + " с.";
}