// allows us to read variables form the query string
function getQS(key, default_)
{
  if (default_==null) default_="";
  key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regex = new RegExp("[\\?&]"+key+"=([^&#]*)");
  var qs = regex.exec(window.location.href);
  if(qs == null)
    return default_;
  else
    return qs[1];
}

// triggers lytebox automatically when the page loads, if a specific artwork is called up
function autoLytebox() {
	var image = getQS('image');
	var frame = getQS('frame');
	if (image != "") {
		var myLink = document.getElementById(image);
		myLytebox.start(myLink,false,false);
	} else if (frame != "") {
		var myLink = document.getElementById(frame);
		myLytebox.start(myLink,false,true);
	}
	
}