如何使用单个表单创建具有相同名称的多个表单字段

$(document).ready(function(){

	 $('select#select_btn').change(function(){
	
    var sel_value = $('option:selected').val();
	if(sel_value==0)
	{
		//Resetting Form 
		$("#form_submit").empty();
		$("#form1").css({'display':'none'});
	}
	else{
		//Resetting Form 
		$("#form_submit").empty();
		
		//Below Function Creates Input Fields Dynamically 
	    create(sel_value);
		
		//appending submit button to form
		$("#form_submit").append(
		$("<input/>",{type:'submit', value:'Register'})
		)
		}	
	});	
	
function create(sel_value){
   for(var i=1;i<=sel_value;i++)   
	   {
	   $("div#form1").slideDown('slow');
	   
	    $("div#form1").append(
		$("#form_submit").append(
		$("<div/>",{id:'head'}).append(
		$("<h3/>").text("Registration Form"+i)),
		$("<input/>", {type:'text', placeholder:'Name', name:'name_'+i}),
		$("<br/>"),
		$("<input/>", {type:'text', placeholder:'Mobile', name:'mobile'+i}),
		$("<br/>"),
		$("<input/>", {type:'text', placeholder:'Email'+i, name:'email_'+i}),
		$("<br/>"),
		//$('select').append($('<option>', {value:1, text:'One',name:'city',placeholder:'City'+i})),
		$("<hr/>"),
		$("<br/>")
	                 ))
	    }
	
	}
	
	
});$(document).ready(function(){

	 $(