<script type="text/javascript">  
  document.onmousemove = function(_event)  
  {  
  _event = _event || window.event;  
  var mouse_left = _event.clientX;  
  var mouse_top = _event.clientY;  
  $('#cursor_image').css({left: mouse_left + 15 + 'px', top: mouse_top + 15 + 'px'});  
  }  

  function heart_up() {  
  $('#cursor_image').css('width', 18 + 'px').css('height', 16 + 'px');  
  }  
  function heart_down() {  
  $('#cursor_image').css('width', 16 + 'px').css('height', 14 + 'px');  
  }  
  setInterval(heart_up, 200);  
  setInterval(heart_down, 300);  
  </script>  
  <style>  
  #cursor_image {position: absolute;width:16px;height:16px;z-index:15000;}  
  </style>  
  <img id="cursor_image" src="http://csomsk.ru/1-ucoz/rip/like.png" />