// Splitta una stringa
	private String[] splitString(String str, String delims)
	{
		if(str == null)
			return null;
		else if(str.equals("") || delims == null || delims.length() == 0)
			return new String[]{ str };
		
		String[] s;
	  	Vector v = new Vector();
		
	  	int pos = 0;
		int newpos = str.indexOf(delims, pos);;

		while(newpos != -1)
		{
			v.addElement(str.substring(pos, newpos));
			pos = newpos + delims.length();
			newpos = str.indexOf(delims, pos);
		}
		v.addElement(str.substring(pos));
		
		s = new String[v.size()];
		for(int i=0, cnt=s.length; i<cnt; i++)
			s[i] = (String) v.elementAt(i);
		
		return s;
	}