// Browser's console dump
function q(i) {
  console.log(i);
}

// DOM's console dump
function w(obj) {
        function syntaxHighlight(json) {
            json = json.replace(/&/g, '&').replace(//g, '>');
            return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
                var cls = 'number';
                if (/^"/.test(match)) {
                    if (/:$/.test(match)) {
                        cls = 'key';
                    } else {
                        cls = 'string';
                    }
                } else if (/true|false/.test(match)) {
                    cls = 'boolean';
                } else if (/null/.test(match)) {
                    cls = 'null';
                }
                return '' + match + '';
            });
        }

        var json = JSON.stringify(obj, undefined, 4);

        $("#console pre").show().html(syntaxHighlight(json));
}

var consoleDiv = '
';

var css = '';

$(document).ready(function() {
        $('head').append(css);
        $('body').append(consoleDiv);
});

// declension of number
function declOfNum(number, titles) {
    cases = [2, 0, 1, 1, 1, 2];
    return titles[ (number%100>4 && number%100<20)? 2 : cases[(number%10<5)?number%10:5] ];
}

declOfNum(number, ['Число', 'Числа', 'Чисел']);

function getRandomInt(min, max)  {
  return Math.random()*(max - min + 1)|0 + min;
}

// Get device pixel ratio
function getDPR() {
  var mediaQuery;
  // Fix fake window.devicePixelRatio on mobile Firefox
  var is_firefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1;
  if (window.devicePixelRatio !== undefined && !is_firefox) {
    return window.devicePixelRatio;
  } else if (window.matchMedia) {
      mediaQuery = "(-webkit-min-device-pixel-ratio: 1.5),\
            (min--moz-device-pixel-ratio: 1.5),\
            (-o-min-device-pixel-ratio: 3/2),\
            (min-resolution: 1.5dppx)";
    if (window.matchMedia(mediaQuery).matches)
      return 1.5;
      mediaQuery = "(-webkit-min-device-pixel-ratio: 2),\
            (min--moz-device-pixel-ratio: 2),\
            (-o-min-device-pixel-ratio: 2/1),\
            (min-resolution: 2dppx)";
    if (window.matchMedia(mediaQuery).matches)
      return 2;
      mediaQuery = "(-webkit-min-device-pixel-ratio: 0.75),\
            (min--moz-device-pixel-ratio: 0.75),\
            (-o-min-device-pixel-ratio: 3/4),\
            (min-resolution: 0.75dppx)";
    if (window.matchMedia(mediaQuery).matches)
      return 0.7;
  } else
    return 1;
}