next = 1;
    function Next(name,type,required,val){
        

        //--REQUIRED FIELD VALIDATION--
        //$('#QuizDiv .error').fadeOut();

        if(type=='checkbox'){

            if(type=='checkbox')
            var name_id = name;
            name=name+"[]";
            
            if(val=='' && required==1 && $( "[name*='"+name+"']:checked" ).size()==0 ){
                $('#'+name_id+' .error').fadeIn("slow");
                //alert('Required Field');
                return false;
            }

            if($( "[name*='"+name+"'][value*='"+val+"']" ).prop('checked')==true)
                $( "[name*='"+name+"'][value*='"+val+"']" ).prop('checked', false);
            else
                $( "[name*='"+name+"'][value*='"+val+"']" ).prop('checked', true);
                
                $(this).toggleClass("hover");

                if(type=='checkbox' && val!='')
                    return false;
        }if( type=='radio' ){
            $( "[name*='"+name+"'][value*='"+val+"']" ).attr('checked', 'checked');
        }
        else if( type=='text' ||  type=='email' ||  type=='phone' ||  type=='name' ||  type=='textarea' ){
            
            if(type=='email' && !QisEmail($("[name=Q"+name+"]").val()) && required==1){
                $('#'+name+' .error').fadeIn("slow");
                return false;
            }
            else if($("[name=Q"+name+"]").val()=='' && required==1){
                $('#'+name+' .error').fadeIn("slow");
                return false;
            }
            else
                $("[name="+name+"]").val($("[name=Q"+name+"]").val());
        }else if(type=='select')
            $("[name="+name+"]").val(val);
        

    

            

        next++
        if( next > last_slide ){
            
            if( prv == 1){
                alert('Last Slide Reached. Data Submission Disabled on Quiz Preview.!');
                return false;
            }
            //alert("Last Slide Reached");
            $("#qz123").submit();
            return false;
        }
        $('.InnerDiv').slideUp("slow");
        $('.qz'+next).delay(700).slideDown("slow");
        if( ($("#QuizDiv").offset().top - $(document).scrollTop() ) < 0  ){
            var elmnt = document.getElementById("QuizDiv");
            elmnt.scrollIntoView();
        }
    }

    function QisEmail(email) {
        var regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;
        return regex.test(email);
    }

    $(document).ready(function(){
        $(".optionButton").click(function(){
            $(this).toggleClass('hover');
        });
    });