function get_nnc (value) {
  var illegalChars = /[\W_]/; // sadece rakamlar ve harfler
  if (illegalChars.test(value))
    return false; 
  else
    return true;
}

function isNumberKey(evt,ne) {
  var charCode = (evt.which) ? evt.which : evt.keyCode
  switch (ne) {
    case "number":
      if (charCode > 31 && (charCode < 48 || charCode > 57)) 
      return false; 
      break;
  case "date":
      if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode!=45) 
      return false; 
      break;
  case "price":
      if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode!=46) 
      return false; 
      break;
  case "nothing":
      return true; 
      break;
}
  return true;
}
    
function validateForm(validates) {
  var kont = true;
  var as = 0;
  for (i = 0; i < validates.length; i++) {
    eval("val=document.getElementById('"+ validates[i] +"')");
    val.style.border = '1px #CCCCCC solid';
    if(val.value == '') {
      if(as == 0) { 
        focuss = val;
        as = 1;
      }
      val.style.border = '2px #FF0000 solid';
      kont = false;
    }
  }
  if(!kont) {
    focuss.focus();
    window.alert("Lütfen işaretli alanları boş bırakmayınız.");
  }
  return kont;
}