window.onload = initPage;

function initPage() {
  if(document.getElementById('header_left')) {
    document.getElementById('header_left').onclick = gotohome;
  }
  if(document.getElementById('home_textile_factories')) {
    document.getElementById('home_textile_factories').onclick = gotopage;
    document.getElementById('home_process_buildings').onclick = gotopage;
    document.getElementById('home_breweries').onclick = gotopage;
    document.getElementById('home_bottling_plants').onclick = gotopage;
    document.getElementById('home_food_processing').onclick = gotopage;
    document.getElementById('home_printing_works').onclick = gotopage;
  }
  externalLinks();
}

function image_popup(image) {

  var image = image;
  var newLink = image.replace("main", "large");

  window.open(newLink,"","width=1024,height=768,location,menubar");
  
}

function gotohome() {
  window.location = 'http://www.factory-buildings.com/';
  //window.location = 'http://preview5.woh.co.uk/dev/reid-factory/';
  return true;
}

function gotopage() {
  var page;
  var linkString;
  var stringLength;
  
  page = this.id.split('_');
  linkString = '';
  
  for(x in page) {
    if(x > 0) {
      linkString = linkString + page[x] + '_';
    }
  }
  
  stringLength = linkString.length - 1
  
  linkString = linkString.substr(0, stringLength); 

  window.location = linkString + '.htm';
  
  return true;
}

function externalLinks() { 
  if (!document.getElementsByTagName) return; 
  var anchors = document.getElementsByTagName("a"); 
  for (var i=0; i<anchors.length; i++) { 
    var anchor = anchors[i]; 
    if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external" || anchor.getAttribute("rel") == "external nofollow" ) 
      anchor.target = "_blank"; 
  } 
}