Please Help Me

I have the following Highscore script and I have tried several ways and I can not find a way to get any script to tell this score to add a point to this script.

Here is the Highscore Script. All I need to do is send points over to this script when astroids are destroyed.

 using UnityEngine;
 using System.Collections;
 using System.Text;
 using System.Security;
 
 public class Highscore : MonoBehaviour 
 {
     public string secretKey = "12345";
     public string PostScoreUrl = "http://YouWebsite.com/.../postScore.php?";
     public string GetHighscoreUrl = "http://YouWebsite.com/.../getHighscore.php";
 
     public string name = "";
     public int score;
     private string WindowTitel = "";
     public string Score = "";
 
 
     public int maxNameLength = 10;
     public int getLimitScore = 15;
     
      public int score1 = 0;
         
     private bool start = false;
     
 
     public float timer = 60;
 
     
        public string stringToEdit = "Your Name";
     
 
     
     
 
 
 
     
     void Update () 
     {
         
         timer -= Time.deltaTime;
 
         if (timer <= 0 && start == false)
     
         {
             
             
             StartCoroutine(PostScore(name,score));
                name = stringToEdit;
               score = score1;
             
             start = true;
             
             
         }
                 
         
     }
     
     IEnumerator GetScore()
     {
         Score = "";
             
         WindowTitel = "Loading";
         
         WWWForm form = new WWWForm();
         form.AddField("limit",getLimitScore);
         
         WWW www = new WWW(GetHighscoreUrl,form);
         yield return www;
         
         if(www.text == "") 
         {
             print("There was an error getting the high score: " + www.error);
             WindowTitel = "There was an error getting the high score";
         }
         else 
         {
             WindowTitel = "Done";
                Score = www.text;
         }
     }
     
      IEnumerator PostScore(string name, int score)
     {
         string _name = name;
         int _score = score1;
         
         string hash = Md5Sum(_name + _score + secretKey).ToLower();
         
         WWWForm form = new WWWForm();
         form.AddField("name",_name);
         form.AddField("score",_score);
         form.AddField("hash",hash);
         
         WWW www = new WWW(PostScoreUrl,form);
         WindowTitel = "Wait";
         yield return www;
         
         if(www.text == "done") 
         {
                  Application.LoadLevel("HighScore");
         }
         else 
         {
             print("There was an error posting the high score: " + www.error);
             WindowTitel = "There was an error posting the high score";
         }
     }
     
     void OnGUI()
     {
         
         GUI.Label(new Rect (10, 10, 1000, 20), "Score: " + score1);
         
         
          stringToEdit = GUI.TextField(new Rect(Screen.width/2, Screen.height/2, 200, 50), stringToEdit, 25);
         name = stringToEdit;
         
         
    
     }
     
 
     
     public string Md5Sum(string input)
     {
         System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();
         byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(input);
         byte[] hash = md5.ComputeHash(inputBytes);
  
         StringBuilder sb = new StringBuilder();
         for (int i = 0; i < hash.Length; i++)
         {
             sb.Append(hash[i].ToString("X2"));
         }
         return sb.ToString();
     }
     
 
     public void increaseScore(int _value)
 {
   score1 += 11;
 }
 
 
 
      
 }