public String getLongestPalindrome(String s){
		if(s==null || s.length()==0)
			return "";
		String result = "";
		int longest = 0;
		for(int i =0; i<s.length()-1;i++){
			String p = findLongestPalindrome(s,i,i);
			if(p.length()>longest){
				result = p;
				longest = p.length();
			}
			p = findLongestPalindrome(s, i, i+1);
			if(p.length()>longest){
				result = p;
				longest = p.length();
			}
		}
		return result;
	}