void Start()
{
cartObj = GameObject.Find ("Cart");
cart = cartObj.GetComponent<Cart> ();
candidateText = GameObject.FindGameObjectWithTag ("currCandidate").GetComponent<Text>();
percent = GameObject.FindGameObjectWithTag ("currPercentage").GetComponent<Text>();
nextPercent = GameObject.FindGameObjectWithTag ("nextPercentage").GetComponent<Text>();
currDate = GameObject.FindGameObjectWithTag ("currDate").GetComponent<Text>();
nextDate = GameObject.FindGameObjectWithTag ("nextDate").GetComponent<Text> ();
}