function ge()
{
  var ea;
  for( var i = 0; i < arguments.length; i++ ) {
    var e = arguments[i];
    if( typeof e == 'string' )
      e = document.getElementById(e);
    if( arguments.length == 1 )
      return e;
    if( !ea )
      ea = new Array();
    ea[ea.length] = e;
  }
  return ea;
}

function show()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    if (element && element.style) element.style.display = '';
  }
  return false;
}

function hide()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    if (element && element.style) element.style.display = 'none';
  }
  return false;
}

function shown(el) {
    el = ge(el);
    return (el.style.display != 'none');
}

function toggle()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    element.style.display = (element.style.display == 'block') ? 'none' : 'block';
  }
  return false;
}

function placeholderSetup(id) {
	var el = ge(id);
	if(!el) return;
	if(el.type != 'text') return;
	if(el.type != 'text') return;
	
	var ph = el.getAttribute("placeholder");
	if( ph && ph != "" ) {
		el.value = ph;
		el.style.color = '#666666';
		el.is_focused = 0;
		el.onfocus = placeholderFocus;
		el.onblur = placeholderBlur;
	}
}

function placeholderFocus() {
	if(!this.is_focused) {
		this.is_focused = 1;
    this.value = '';
    this.style.color = '#000000';
  }
}

function placeholderBlur() {
  var ph = this.getAttribute("placeholder")
  if( this.is_focused && ph && this.value == "" ) {
		this.is_focused = 0;
    this.value = ph;
    this.style.color = '#666666';
  }
}