public int wordCount(String s1)
	{
		String check = new String();
		int counter = 0;
		String one = this.str.toLowerCase();
		String two = s1.toLowerCase();
		for (int i = 0; i <one.length() -  (two.length() +1); i++)
		{
			check = one.substring(i,(i+two.length()));
			if(check.equals(two))
			{
				if ((one.charAt(two.length() +1) == ' ' || one.charAt(two.length() +1) == '.') && (one.charAt(i-1) == ' ' || i == 0))
				{
					counter++;
				}
			}
		}
		return counter;
	}