//Query string Parser
function PageQuery(q) 
{
	if(q.length > 1)
	{
		this.q = q.substring(1, q.length);
	}
	else 
	{
		this.q = null;
	}
	
	this.keyValuePairs = new Array();
	if(q) 
	{
		for(var i=0; i < this.q.split("&").length; i++)
		{
			this.keyValuePairs[i] = this.q.split("&")[i];
		}
	}
	
	this.getKeyValuePairs = function() 
	{
		return this.keyValuePairs; 
	}
	
	this.getValue = function(s) 
	{
		for(var j=0; j < this.keyValuePairs.length; j++)
		{
			if(this.keyValuePairs[j].split("=")[0] == s)
			{
				return this.keyValuePairs[j].split("=")[1];
			}
		}
		return false;
	}
	
	this.getParameters = function() 
	{
		var a = new Array(this.getLength());
		for(var j=0; j < this.keyValuePairs.length; j++)
		{
			a[j] = this.keyValuePairs[j].split("=")[0];
		}
		return a;
	}
	
	this.getLength = function()
	{
		return this.keyValuePairs.length;
	}
}

function queryString(key)
{
	var page = new PageQuery(window.location.search);
	return unescape(page.getValue(key));
}

function displayItem(key)
{
	if(queryString(key)=='false')
	{
		document.write("you didn't enter a ?name=value querystring item.");
	}
	else
	{
		document.write(queryString(key));
	}
}

function RequestQueryString(key)
{
	if(queryString(key)=='false')
	{
		return 0;
	}
	else
	{
		return queryString(key);
	}
}