function open_contact_dialog()
{
  window.open("message_box_new.php","contact_dialog",
           "top=0,left=0,height=650,width=500,status=yes,scrollbars=yes,toolbar=no,menubar=no,location=no,resizable=no");
}
function open_chat_dialog()
{
  window.open('http://chat.ansafone.com/Cpethink/chat.html','CPEThinkChatRequest',
		      'width=700,height=550, left=200,top=200, resizable=0');
}
function open_email_dialog()
{
  window.open("message_box_new.php","contact_dialog",
           "top=0,left=0,height=650,width=500,status=yes,scrollbars=yes,toolbar=no,menubar=no,location=no,resizable=no");
}