$(document).ready(function(){
	$('.delete').click(function(){
	  var answer = confirm('Are you sure you want to delete this message thread?');
	  return answer // answer is a boolean
	}); 
	$('.deleteAll').click(function(){
	  var answer = confirm('Are you sure you want to delete ALL message threads?');
	  return answer // answer is a boolean
	}); 
});