function showAlert(message)
{
	alert( message );
}

function displayNonScrollablePopup ( url, w, h)
{
    displayPopup( url, w, h, 'no');
}

function displayScrollablePopup ( url, w, h)
{
    displayPopup( url, w, h, 'yes');
}

function displayPopup ( url, w, h, scrollable)
{
    if(w == null)
		w = 400;
	if(h == null)
		h = 500;
	if(scrollable == null)
		scrollable = false;

	var leftPos = (screen.availWidth-w)/2, topPos = (screen.availHeight-h)/2;

	window.open( url ,'khilnani_popup','width=' + w + ',height=' + h + ',scrollbars=' + scrollable + ',status=yes,top=' + topPos + ',left=' + leftPos);
}