var keys = {37: 1, 38: 1, 39: 1, 40: 1};

function preventDefault(e) {
  e = e || window.parent.event;
  if (e.preventDefault)
      e.preventDefault();
  e.returnValue = false;  
}

function preventDefaultForScrollKeys(e) {
    if (keys[e.keyCode]) {
        preventDefault(e);
        return false;
    }
}

function disableScroll() {
document.body.style.overflowY = "hidden";
document.body.style.overflowX = "hidden";
document.getElementsByTagName("html")[0].style.overflowY = "hidden";
document.getElementsByTagName("html")[0].style.overflowX = "hidden";

/*
  if (window.parent.addEventListener) // older FF
      window.parent.addEventListener('DOMMouseScroll', preventDefault, false);
  window.parent.onwheel = preventDefault; // modern standard
  window.parent.onmousewheel = document.onmousewheel = preventDefault; // older browsers, IE
  window.parent.ontouchmove  = preventDefault; // mobile
  document.onkeydown  = preventDefaultForScrollKeys;
*/
}

function enableScroll() {
document.body.style.overflowY = "auto";
document.body.style.overflowX = "hidden";
document.getElementsByTagName("html")[0].style.overflowY = "auto";
document.getElementsByTagName("html")[0].style.overflowX = "hidden";

    if (window.parent.removeEventListener)
        window.parent.removeEventListener('DOMMouseScroll', preventDefault, false);
    window.parent.onmousewheel = document.onmousewheel = null; 
    window.parent.onwheel = null; 
    window.parent.ontouchmove = null;  
    document.onkeydown = null;  
}

function WindContent(page) {
var page_split = page.split('.');
if (page_split[1] === undefined) {
disableScroll();
}
var window = document.getElementById(page_split[0]);

var parent_window = findParentNode("modal", window, "class");
var parent_window_content = parent_window.getElementsByTagName('*');
var window_content = window.getElementsByTagName('*');
parent_window.setAttribute("status", "show");

for (var i = 0; i < parent_window_content.length; i++) {
var data_image = false;
var elem = parent_window_content[i];
if (elem.hasAttribute("id")) {
if (elem.getAttribute("id") == "touch-scroll_window") {
var touch_scroll_window = elem;
$(touch_scroll_window).touchScrolling();
}
}
}
}


function openurl (url) {
window.open(url,"_blank")
}
function download_doc (file) {
document.location.href = "doc/download.php?file="+file;
}
function DocContent(doc) {
if (!device.mobile()) {
WindContent(doc);
}else{
openurl("doc/doc.html?url="+doc);
}
}
function GallContent(id, page, type) {
if (!page) { var page = '1';}
if (type == "") { var type = 'img';}
WindContent(id);
gallery(this, 'nope', id, page.toString());
}