//popup image selector
function gettip(image){
  document.getElementById('tip').innerHTML="<img src='" + image + "' />"
}
function reset(){
  document.getElementById('tip').innerHTML=" "
}

function toUpper(item) {
	item.value=item.value.toUpperCase();
}
function is_digit (data) {
  var result = true;
  for (var i=0;i<data.length;i++) {
    var digit = data.charAt(i);
	if (digit <"0" || digit > "9") {
	  result = false;
	}
  }
  return result
}
function is_char (data) {
  var result = true;
  for (var i=0;i<data.length;i++) {
    var digit = data.charAt(i);
	if (digit <"A" || digit > "z") {
	  result = false;
	}
  }
  return result
}
function check_pw(pw){
  res = false;
  digits = 0;
  chars =0;
  for (i =0; i <= pw.length -1; i++) {
    if (/^(\d{1})$/.test(pw.charAt(i))) {
      digits++ ;
    } else if (/^(\w{1})$/.test(pw.charAt(i))) {
      chars++ ;
    }
  }
  if (digits >1 && chars > 5) {
    res=true;
  } 
  return res;
}

function setError(id,value) {
    el = document.getElementById(id + "_error");
    if ( el != null) {
        el.innerHTML = value;
    }
}

function unsetError(id,value) {
    setError(id,"");
}

function show(object) {
  document.getElementById(object).style.display = "block";
}
function hide(object) { 
  document.getElementById(object).style.display = "none";
}
function show_hide(object){
  if (document.getElementById(object).style.display != "none"){
    hide(object);
  }else {
    show(object);
  }
}
function trapped() {
  if (parent != self) {
    parent.location.href = location.href;
  }
}