$(document).ready 

( 
function() 
{ 
    $("#br_form").submit 
    ( 
       function() 
        {
	        br_add(); 
	        return false; 
        } 
    ); 
} 
); 
function br_add() 
{ 
var br_name=$("#br_name").val();
var br_phone=$("#br_phone").val();
var br_content=$("#br_content").val();

if (br_name == "") 
{
    //$("#br_result").text("请输入联系人的姓名"); 
    $("#br_name").focus(); 
    return false; 
} 

if (br_phone == "") 
{
    //$("#br_result").text("请输入联系方式"); 
    $("#br_phone").focus(); 
    return false; 
} 

if (br_content == "") 
{
    //$("#br_result").text("请输入易货描述"); 
    $("#br_content").focus(); 
    return false; 
} 


$.ajax({ 
    type: "POST", 
    url: "barter_require.php", 
    data: "br_name=" +br_name+ "&br_phone=" + br_phone + "&br_content="+br_content, 
	dataType: "text",
    beforeSend: function(){ 
    $("#B_R").css("display","none");
	$("#br_result").html("<img src=\"images/loader.gif\"/><span>正在记录你的信息，请稍候...</span>");
    }, 
    success: function(msg){
    if($.trim(msg) == "done"){ 
     $("#br_result").text("你的信息己成功入库"); 
    }else { 
        $("#br_result").text("很抱歉，无法增加你的信息，请重试！"); 
    } 
    } 
});
}