function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

function closeRegisterErrorMsg(){
    
    var el = document.getElementById("spClose");
    var box = el.parentNode;
	box.style.display = "none";
}