function G_pop(path,name,features) {
	popWindow = window.open(path,name,features);
	popWindow.focus();
}

var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(input,len, e, next_field) {
  var keyCode = (isNN) ? e.which : e.keyCode;
  if(input.value.length >= len && !containsElement(keyCode)) {
    input.value = input.value.slice(0, len);
    next_field.focus();
  }
  return true;
}

function containsElement(ele) {
  var arr = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
  var found = false, index = 0;
  while(!found && index < arr.length)
    if(arr[index] == ele)
      found = true;
    else
      index++;
  return found;
}