/****************************************************************************************
>> Global Scripts << 
*****************************************************************************************/
/*-------------------------------------------Loads in functions---*/
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}
/*-------------------------------------------Highlight current page using class name "active"---*/
function highlightPage() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("nav")) return false;
  if (!document.getElementById("sub_nav")) return false;
  
  var nav = document.getElementById("nav");
  var links = nav.getElementsByTagName("a");
  for (var i=0; i<links.length; i++) {
    var linkurl = links[i].getAttribute("href");
    var currenturl = window.location.href;
    if (currenturl.indexOf(linkurl) != -1) {
      links[i].className = "active";
      var linktext = links[i].lastChild.nodeValue.toLowerCase();
      //document.body.setAttribute("id",linktext);
    }
  }
  
  var nav2 = document.getElementById("sub_nav");
  var sublinks = nav2.getElementsByTagName("a");
  for (var i=0; i<sublinks.length; i++) {
    var linkurl = sublinks[i].getAttribute("href");
    var currenturl2 = window.location.href;
    if (currenturl2.indexOf(linkurl) != -1) {
      sublinks[i].className = "active";
      var linktext2 = sublinks[i].lastChild.nodeValue.toLowerCase();
      //document.body.setAttribute("id",linktext2);
    }
  }
}
addLoadEvent(highlightPage);
/*-------------------------------------------Photo Gallery---*/
function showPic(whichpic) {
  if (!document.getElementById("placeholder")) return true;
  var source = whichpic.getAttribute("href");
  var placeholder = document.getElementById("placeholder");
  placeholder.setAttribute("src",source);
 return false;
}
function prepareGallery() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("imagegallery")) return false;
  var gallery = document.getElementById("imagegallery");
  var links = gallery.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    links[i].onclick = function() {
      return showPic(this);
	}
    links[i].onkeypress = links[i].onclick;
  }
}
addLoadEvent(prepareGallery);