function MM_swapImgRestore() {
   //v3.0
   var i, x, a = document.MM_sr;
   for(i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
   }
function MM_preloadImages() {
   //v3.0
   var d = document;
   if(d.images) {
      if(!d.MM_p) d.MM_p = new Array();
      var i, j = d.MM_p.length, a = MM_preloadImages.arguments;
      for(i = 0; i < a.length; i++) if (a[i].indexOf("#") != 0) {
         d.MM_p[j] = new Image;
         d.MM_p[j++].src = a[i];
         }
      }
   }
function MM_findObj(n, d) {
   //v4.01
   var p, i, x;
   if(!d) d = document;
   if((p = n.indexOf("?")) > 0 && parent.frames.length) {
      d = parent.frames[n.substring(p + 1)].document;
      n = n.substring(0, p);
      }
   if(!(x = d[n]) && d.all) x = d.all[n];
   for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
   for(i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
   if(!x && d.getElementById) x = d.getElementById(n);
   return x;
   }
function MM_swapImage() {
   //v3.0
   var i, j = 0, x, a = MM_swapImage.arguments;
   document.MM_sr = new Array;
   for(i = 0; i < (a.length - 2); i += 3) if ((x = MM_findObj(a[i])) != null) {
      document.MM_sr[j++] = x;
      if(!x.oSrc) x.oSrc = x.src;
      x.src = a[i + 2];
      }
   }

/* Client-side access to querystring name=value pairs
	Version 1.3
	28 May 2008
	
	License (Simplified BSD):
	http://adamv.com/dev/javascript/qslicense.txt
*/
function Querystring(qs) { // optionally pass a querystring to parse
	this.params = {};

	if (qs == null) qs = location.search.substring(1, location.search.length);
	if (qs.length == 0) return;

// Turn <plus> back to <space>
// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
	qs = qs.replace(/\+/g, ' ');
	var args = qs.split('&'); // parse out name/value pairs separated via &
	
// split out each name=value pair
	for (var i = 0; i < args.length; i++) {
		var pair = args[i].split('=');
		var name = decodeURIComponent(pair[0]);
		
		var value = (pair.length==2)
			? decodeURIComponent(pair[1])
			: name;
		
		this.params[name] = value;
	}
}

Querystring.prototype.get = function(key, default_){
	
	var value = this.params[key];
	return (value != null) ? value : default_;
}

Querystring.prototype.contains = function(key) {
	var value = this.params[key];
	return (value != null);
}

function getArgument(arg){
	var q = new Querystring();
	return q.get(arg);
}