// JavaScript Document

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));
	}
}