function quick_exchange(code) {
var is_mobile = 'no';
var is_iphone = 'no';
var is_weixin = 'no';
var browsers = 'Chrome';
var os_name = 'unkonw';
var u = navigator.userAgent;
var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1;
var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
var isUc =navigator.userAgent.indexOf('UCBrowser') > -1;
if(is_mobile == 'yes'){
if( is_iphone == 'yes' && (browsers == 'Safari' || is_weixin == 'yes'||os_name=='ios') && !isUc ){
location.href = "sms:10086&body="+code;
}else{
location.href = "sms:10086?body="+code;
}
}
}