Orbit/app/assets/Archive/javascripts/inc/ploy_input_field.js

// var $CloneTarget ;

        function checkMultipleInput() {
            $(".multipleInput").each(function() {
                $(this).children('.controls').length==1 ? $(this).addClass("plural") : $(this).removeClass("plural")
            });
        }
        function removeInput(){
            $(".removeInput").click(function (){
                $(this).parents(".controls").remove();
                checkMultipleInput();
                return false;
            });
        }
        $(document).ready(function(){
            var $modalNumber = 0;
            checkMultipleInput();
            removeInput();
            $(".addinput").click(function (){
                $modalNumber+=1;
                var $CloneTarget = $(this).parents(".controls").prev(".multipleInput").children('.controls:last');
                $(this).parents(".controls").prev(".multipleInput").append($CloneTarget.clone());
                class_to_be_removed = $(this).parents(".controls").prev(".multipleInput").attr("ext_class")
                // $(this).parents(".controls").prev(".multipleInput").children('.controls:last input').val("");
                $(this).parents(".controls").prev(".multipleInput").children('.controls:last').find('input').val('')

                $(this).parents(".controls").prev(".multipleInput").children('.controls:last').find('.tab-pane').removeClass(class_to_be_removed).addClass("NewInput_"+$modalNumber)
                btn = $(this).parents(".controls").prev(".multipleInput").children('.controls:last').find(".nav.nav-pills li")
                $.each(btn,function(i,value){
                    old_link = $(this).children("a").attr("href");
                    $(this).children("a").attr("href",".NewInput_"+$modalNumber);
                });
                removeInput();
                checkMultipleInput();
                return false;
            })
        });