// JavaScript Document
$(document).ready(function(){
  var navDuration = 500;
  var navJumpHeight = "45px";

  $('.item_image').hover(function() {
	  $(this).next(".item_text").animate({ height : "+"+navJumpHeight }, navDuration);            
  }, function() {
	  $(this).next(".item_text").animate({ height : "30px" }, navDuration);
  });
});