function aTarget(el, name, param)
{
	var wnd = window.open(typeof el == 'string' ? el : el.href, typeof name != 'undefined' ? name : '', typeof param != 'undefined' ? param : 'menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes');
	if (!wnd) return false;
	wnd.focus();
	return true; 
}

function modalWindow(el)
{
	var wnd = window.showModalDialog(typeof el == 'string' ? el : el.href);
	if (!wnd) return false;
	wnd.focus();
	return true; 
}

function addLightboxMarkup() {

	bod 				= document.getElementsByTagName('body')[0];

	overlay 			= document.createElement('div');
	overlay.id			= 'overlay';

	bod.appendChild(overlay);
}

function displayOverlay(display) {
	$('overlay').style.display = display;
	$('lightbox2').style.display = display;
}