var checkuid;
var checkuidtmp;
var timecheckuid;

function changesceneuid(uid){
	checkuidtmp = checkuid;
	checkuid = uid;
	timecheckuid = '1';
	changeuidcheck();
}

function changeuidcheck() {
  XMLHttp.getR(urltmp+'&action=20&taction=1&uid='+checkuid,blcar_ajax,'text');
}

function blcar_ajax(data){
  if(data){
    var blscenelid=document.getElementById("blscene");
    var blscenetmp = blscenelid.innerHTML;
    if(data=="empty"){
      changeuidtimeout('1');
      blscenelid.innerHTML=blscenetmp;
      alert("該同學沒有創建車位！");
    }else{
      changeuidtimeout('2');
      blscenelid.innerHTML=data;
      blscenetmp = blscenelid.innerHTML;
    }
  }
}

function changesceneindexuid(uid){
  window.location.href =urltmp+'&uid='+uid;
}

function changeuidtimeout(checkempty){
  var checkempty = checkempty;
  if (checkempty==1){
    checkuid = checkuidtmp;
  }else{
    if(timecheckuid=='1'){
      var MyMar1;
      clearInterval(MyMar1);
      MyMar1 = setInterval("changeuidcheck()",timeshot); 
      timecheckuid='0';
    }
  }
}