pig_latin

function translate(string){
	return string
		.toLowerCase()
		.split(' ')
		.map(translateWord)
		.map(addAY)
		.join(',');
}

function translateWord(words){
	var vowels = { a:'a', e:'e', i:'i', o:'o', u:'u'};	
		for (var k in vowels){
			if(checkPhoneme(vowels[k],words)){										//phoneme 'qu'
				return words.slice(words.indexOf(vowels[k])+1).concat(words.slice(0,words.indexOf(vowels[k]+1)));
			}else if(checkVowel(vowels[k],words)){									//vowel				
				return words;
			}else{																	//all other consonants
				return words.slice(words.indexOf(vowels[k])).concat(words.slice(0,words.indexOf(vowels[k])));
			}
		}
}

function checkVowel(vowel,words){
		return words.slice(0,1) === vowel;
}

function checkPhoneme(vowels,words){
		return words.indexOf(vowels.u) === (words.indexOf('q') + 1);
}

function addAY(word){
		return word += 'ay';
}