function launchSplashWin(wname,url, width, height,  left, top, popunder) {

	var w = window.screen.width;
	var h = window.screen.height;
	var l = (left != null) ? left : (w-width)/2;
	var t = (top != null) ? top : (h-height)/4;
	
	splashWin = window.open(url, wname, 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0' );

	if (popunder) 	window.focus();
	
	splashWin.resizeTo(width,height);
	splashWin.moveTo(l, t);

	return splashWin
}