var trigger = '.bottomImage';
var caption = '.captionContainer';
var slideSpeed = 700;

$(document).ready(function() {
	$(caption).slideUp(0);
	$(trigger).bind("mouseenter",function(){
		$(this).children(caption).stop(true,true).slideDown(slideSpeed);
	}).bind("mouseleave",function(){
		$(this).children(caption).stop(true,true).slideUp(slideSpeed);
	});
});