[Python 2.7.3] TheFox's xat ID Generator

import urllib, urllib2
import random
#Create a new txt file called 'proxies.txt' in the same folder that this script is in, and add proxies to it. ONLY HTTPS proxies will work!
#Script coded by: TheFox
print("~~~~~~~~~~~~~~~~~~~~~~~~~~")
print("TheFox's xat ID generator")
print("~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n")
print("*Note: if you want to use default proxies (which is INSANELY slow, then do not create a 'proxies.txt' in the same folder as this script. If you want to use your OWN proxies (WAY FASTER), the create a new .txt file called 'proxies.txt' in the same folder that this script is in, and add https proxies into it.\n\n")
raw_input("-> Press 'Enter' to start <-")
def getBetween(strSource, strStart,strEnd):
    start = strSource.find(strStart) + len(strStart)
    end = strSource.find(strEnd,start)
    return strSource[start:end]
def id_Generator():
    while 1:
         try:
             Proxies_Exist = True
             Proxies = [i.strip() for i in open('proxies.txt','r').read().splitlines()]
             Proxies = random.choice(Proxies)
             Proxy = Proxies.split(':')
             ProxyInfo = 'http://' + str(Proxy[0]) + ':' + str(Proxy[1])
             print("---------------------------------")
             print("~[ Successfully loaded proxy ]~")
             print("---------------------------------\n")
             print("Proxy being used: " + str(Proxy[0]) + ':' + str(Proxy[1]) + "\n")
             Auser3 = urllib.urlopen('http://xat.com/web_gear/chat/auser3.php', proxies = { 'http': ProxyInfo }).read()
             Ids = open("ids.txt","a+")
             if Auser3 in Ids != False or Auser3.find('&UserId=') != False:#Duplicate ID and 404 Error fix
                 Ids.write("")
                 Ids.close()
                 id_Generator()
             else:
                 Ids.write(Auser3 + "\n")
                 Ids.close()
                 print("New ID Found: " + Auser3 + "\n")
                 id_Generator()
         except:
             Proxies_Exist = False
             if Proxies_Exist == False:
                 print("'proxies.txt' was not found! Using default proxies from: http://www.us-proxy.org/\n")
                 try:
                     US_PROXY = urllib.urlopen('http://www.us-proxy.org/').read()
                     IP = getBetween(US_PROXY,'<tbody><tr><td>','</td>').splitlines()
                     Port = getBetween(US_PROXY,'</td><td>','</td><td>US</td><td>').splitlines()
                     IP = random.choice(IP)
                     Port = random.choice(Port)
                     ProxyInfo = 'http://' + str(IP) + ':' + str(Port)
                     print("--------------------------------------------------------------------------")
                     print("~[ Successfully loaded proxy from http://www.us-proxy.org/ ]~")
                     print("--------------------------------------------------------------------------")
                     print("Proxy being used: " + str(IP) + ':' + str(Port) + "\n")
                     Auser3 = urllib.urlopen('http://xat.com/web_gear/chat/auser3.php', proxies = { 'http': ProxyInfo }).read()
                     Ids = open("ids.txt","a+")
                     if Auser3 in Ids != False or Auser3.find('&UserId=') != False:#Duplicate ID and 404 Error fix
                         Ids.write("")
                         Ids.close()
                         id_Generator()
                     else:
                         Ids.write(Auser3 + "\n")
                         Ids.close()
                         print("New ID Found: " + Auser3 + "\n")
                         id_Generator()
                 except:
                    print("Could not connect to 'http://www.us-proxy.org/' ! Restarting script!'")
                    id_Generator()
id_Generator()