/*this is just the part that sends the request, the rest is unnecesary*/
var ro=true;
function sendData() {
  if(ep[0]!=null&&sp[0]!=null&&ro){
  	  var data = {
  	  	"strt":sp,
  	  	"end":ep,
  	  	"blk":blocks,
  	  	"sblk":sblocks,
  	  	"enem":enemies,
  	  	"slft":spikesl,
  	  	"srt":spikesr,
  	  	"su":spikesu,
  	  	"sd":spikesd
  	  };
   	  var payload = JSON.stringify(data);
      var XHR = new XMLHttpRequest();
      XHR.addEventListener('load', handledt);
      XHR.open("POST", "submit.php");
      XHR.setRequestHeader('Content-Type', 'application/json');
      XHR.send(payload);
    } else {
      alert("please set player and end portal position");
    }
    ro=false;
 }
 function handledt() {if(this.responseText=="s")location.reload();}