// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
function remove_fields(link) {  
   $(link).previous("input[type=hidden]").value = "1";  
   $(link).up(".fields").hide();  
} 

function add_fields(link, association, content) {  
  var new_id = new Date().getTime();  
  var regexp = new RegExp("new_" + association, "g");  
  $(link).up().up().insert({  
    top: content.replace(regexp, new_id)  
 });  
}