public static int getSkillId(String skillName) {
		Iterator<Integer> iterator = skillsMap.keySet().iterator();
		int skillId = 0;
		while(iterator.hasNext()){
			int key = iterator.next();
			String value = skillsMap.get(key);
			if(value.equals(skillName))
				skillId = key;
		}
		return skillId;
	}