function isPalindrome(str){
	var nospace = str.split(' ').join('');
	var len = nospace.length;
	for (var i = 0; i < len/2; i++) {
		if (nospace[i] !== nospace[len -1 -i])
			return false;
	}
	return true;
}
isPalindrome('he, a man a plan a canal panama, eh');