validate.js

          new Validation('<%="category_#{category.id.to_i}"%>', {immediate: false, onFormValidate: function(result, form){
         if(result){
           $('submit_<%=category.id.to_i%>').value='保存..';
           $('submit_<%=category.id.to_i%>').disable();
            new Ajax.Request('<%=url_for(:action => "update_category_score_params", :id => category.id.to_i)%>', {
              asynchronous:true, evalScripts:true,onComplete:function(response){$('submit_<%=category.id.to_i%>').value='保存';$('submit_<%=category.id.to_i%>').enable();$('submit_<%=category.id.to_i%>').value='保存';},parameters:Form.serialize(form)}
        );
            }}});