/**
 * @author Slava
 */
function $() {
  var elements = new Array();
  for (var i = 0; i < arguments.length; i++){
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);
    if (arguments.length == 1)
      return element;
    elements.push(element);
  }
  return elements;
}

function showPopup (url, name, W, H){
	X = (window.screen.availWidth / 2) - (W / 2);
	if (window.screen.availHeight - 24 < H)
	{
		Y = 0;
		W += 17;
		H = window.screen.availHeight - 24;
	}
	else
	{
		Y = (window.screen.availHeight / 2) - (H / 2 + 12);
	}
	params = "scrollbars=yes,status=yes,resizable=1,width=" + W + ",height=" + H + ",left=" + X + ",top=" + Y;
	wID = window.open (url, name, params);

	return wID;
}

greenRadios = [];

function showGreen(n)
{
	$('btn_green'+n).style.display = 'none';
	$('green'+n).style.display = 'block';
	for(i in greenRadios[n]){
		$(greenRadios[n][i]).disabled = 'disabled';
		$(greenRadios[n][i]).checked = false;
	}
}

function hideGreen(n)
{
	$('btn_green'+n).style.display = 'block';
	$('green'+n).style.display = 'none';
	for(i in greenRadios[n]){
		$(greenRadios[n][i]).disabled = '';	
	}
	rds = $('green'+n).getElementsByTagName('input');
	for(i in rds){
		rds[i].checked = false;	
	}
}