js_click_event

var elems = document.getElementsByTagName('a'),i;
for (i in elems) {
    if ((" " + elems[i].className).indexOf("auth-loginlink") > -1){
        elems[i].addEventListener('click', function(){
            createBnbAccount = (" "+this.className).indexOf("createAccount") > -1 ? true : false;
            FB.api('/me', function(me){
                if (me.name) {
                    fbLogin();
                } else {
                    FB.login(function(response) {fbLogin();}, {scope: '<?=Yii::app()->params["fb_permission_scope"]?>'});
                }
        });
     }
}

FB.api('/me', function(me){
          if (me.name) {
              var elems = document.getElementsByTagName('a'),i;
              for (i in elems) {
                  if ((" " + elems[i].className).indexOf("auth-loginlink") > -1){
                      elems[i].addEventListener('click', function(){
                          createBnbAccount = (" "+this.className).indexOf("createAccount") > -1 ? true : false;
                          fbLogin();
                      });
                  }
              }
          } else {
              var elems = document.getElementsByTagName('a'),i;
              for (i in elems) {
                  if ((" " + elems[i].className).indexOf("auth-loginlink") > -1){
                      elems[i].addEventListener('click', function(){
                          createBnbAccount = (" "+this.className).indexOf("createAccount") > -1 ? true : false;
                          FB.login(function(response) {fbLogin();}, {scope: '<?=Yii::app()->params["fb_permission_scope"]?>'});
                      });
                  }
             }
          }
      });