var hasBeenLoaded = false;


function ShowContentBlock(theId, numberOfBlocks)
{
	if (hasBeenLoaded)
	{
		HideContentBlocks(numberOfBlocks);
		document.getElementById('myContent' + theId).style.display = 'block';


	}
}


function HideContentBlocks(numberOfBlocks)
{
	if (hasBeenLoaded)
	{
		for (i = 1; i < numberOfBlocks; i++)
		{
			document.getElementById('myContent' + i).style.display = 'none';
		}
	}
}

/* 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);
}