function REQUEST ()
{
    this.queryString = new QUERY_STRING();
}


REQUEST.prototype.hasKey = function (key)
{
    return this.getItem(key) != null;
}


REQUEST.prototype.getItem = function (key)
{
    return this.queryString.getItem(key);
}


function QUERY_STRING ()
{
    this.queryString = window.location.search.replace("?", "");
    this.keys = [];
    this.values = [];

    var brokenQueryString = this.queryString.split("&");
    for (var i = 0; i < brokenQueryString.length; i++)
    {
        brokenItem = brokenQueryString[i].split("=");
        this.keys.push(brokenItem[0]);
        this.values.push(brokenItem[1]);
    }
}


QUERY_STRING.prototype.getItem = function (key)
{
    for (var i = 0; i < this.keys.length; i++)
    {
        if (key == this.keys[i])
        {
            return this.values[i];
        }
    }
    return null;
}


QUERY_STRING.prototype.hasKey = function (key)
{
    return this.getItem(key) != null;
}