function createRequestObject() {
    var ro;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         ro = new XMLHttpRequest();
         if (ro.overrideMimeType) {
            ro.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            ro = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               ro = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
    return ro;
}

//inisial http
var http = createRequestObject();

//fungsi form get
function kirim(action,kode) {
    isi=kode;
    http.open('get', action);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

//fungsi hande respon
function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
            document.getElementById(isi).innerHTML = response;
    }
}

function hapus(){
return confirm('apakah anda ingin menghapus data ini?');
}
checked = false;
function checkedAll () {
  if (checked == false){checked = true}else{checked = false}
    for (var i = 0; i < document.getElementById('admin_form').elements.length; i++) {
    document.getElementById('admin_form').elements[i].checked = checked;
    }
  }
function cek_nomor(sText,cek){
   		var ValidChars = "0123456789.";
   		var IsNumber=true;
   		var Char;
   		for (i = 0; i < sText.length && IsNumber == true; i++){
      		Char = sText.charAt(i);
     		 if (ValidChars.indexOf(Char) == -1){
            cek.value='';
        		IsNumber = false;
			}
      	}
  		return IsNumber;
	}
function cabut(){
return confirm('apakah anda ingin mencabut no pendaftaran ini?');
}
function kembali(){
return confirm('apakah anda ingin mengembalikan no pendaftaran ini?');
}