function menu_link(num)
{
	switch(num)

	{

	  case 1:window.location="Atvantage_SecureIT_Overview.html" ;break;

	  case 2:window.location="/downloads/ATV_RadioAd_3-09.mp3" ;break;

	  case 3:window.location="solutions.htm" ;break;

	  case 4:window.location="contact.htm" ;break;

	}
}