// Parameter Functions

function Request(url) {
	this.queryString = null;
	this.parameters = new Array();
	var paramsStart = url.search(/\?/);
	if (paramsStart > -1) {
		this.queryString = url.substring(paramsStart + 1);
		hParams = this.queryString.split('&');
		for (var i = 0; i < hParams.length; i++) {
			var pos = hParams[i].search(/=/);
			if (pos > -1) {
				if (pos == (hParams[i].length - 1)) {
					this.parameters[hParams[i].substring(0, pos)] = '';
				} else {
					this.parameters[hParams[i].substring(0, pos)] = unescape(hParams[i].substring(pos + 1));
				}
			} else {
				this.parameters[hParams[i].substring(0, pos)] = '';
			}
		}
	}
	this.getParameter = function (name) {
	for (var arrKey in this.parameters) {
		if (arrKey == name) {
			return this.parameters[name];
		}
	}
	return null;
	}
}

function getRequest() {
	return new Request(document.URL);
}