function getRequestObject(requestString)
{
	var requestObj = new Object();
	var level1 = new Array();
	level1 = requestString.split('&');
	for(i = 0; i<level1.length;i++)
	{
		level2 = level1[i].split('=');
		requestObj[level2[0]] = level2[1];
	}
	return requestObj;	
}

function getQueryString()
{
	var qs = new Array();
	qs = location.href.split('?');
	if(qs.length>1)
		return qs[1]
	return null;
}

function request(value)
{
	var queryStr = getQueryString();
	if(queryStr == null)
		return null;
	reqObj = getRequestObject(getQueryString());
	return reqObj[value];	
}