// This code shameless copied from http://www.eggheadcafe.com/articles/20020107.asp
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));
    }
}