// Number of pages must be set when new pages added //


var lastUpdated = "19-11-09";

var bikepages = 4;
var totalImages = 63;
var maxImages = bikepages * 20;

var temp = (bikepages - 1) *20;
var firstpage = (totalImages - temp); 

if(firstpage == 0) {
  firstpage = 20;
}

var page1 = firstpage;
var page2 = firstpage + 20;
var page3 = firstpage + 40;
var page4 = firstpage + 60;
//var page5 = firstpage + 80;
//var page6 = firstpage + 100;
//var page7 = firstpage + 120;
//var page8 = firstpage + 140;