//Usage syntax: <a href="whatever.html" onclick="return popup(this.href, width_of_window, height_of_window)">

function popup(url, width, height)
{
	if (!window.open) return true;

	popupWindow = window.open(url, '', 'scrollbars=yes,resizable=yes,width=' + (width + 48) + ',height=' + (height + 80)+',left = 0,top = 0');
	if (popupWindow.focus) popupWindow.focus();
	return false;
}