<!--
//start preloading images

if (document.images){
  conference_off = new Image();
  conference_off.src = "http://www.directv.com/images/topnav/conference_off.gif";
  conference_on = new Image();
  conference_on.src = "http://www.directv.com/images/topnav/conference_on.gif";

  earnings_off = new Image();
  earnings_off.src = "http://www.directv.com/images/topnav/earnings_off.gif";
  earnings_on = new Image();
  earnings_on.src = "http://www.directv.com/images/topnav/earnings_on.gif";

  investor_off = new Image();
  investor_off.src = "http://www.directv.com/images/topnav/top_investor.gif";
  investor_on = new Image();
  investor_on.src = "http://www.directv.com/images/topnav/top_investor_on.gif";
  
  home_off = new Image();
  home_off.src = "http://www.directv.com/images/topnav/top_home.gif";
  home_on = new Image();
  home_on.src = "http://www.directv.com/images/topnav/top_home_on.gif";

  about_off = new Image();
  about_off.src = "http://www.directv.com/images/topnav/top_about.gif";
  about_on = new Image();
  about_on.src = "http://www.directv.com/images/topnav/top_about_on.gif";

  search_off = new Image();
  search_off.src = "http://www.directv.com/images/topnav/top_search.gif";
  search_on = new Image();
  search_on.src = "http://www.directv.com/images/topnav/top_search_on.gif";

  merger_off = new Image();
  merger_off.src = "http://www.directv.com/images/topnav/top_merger.gif";
  merger_on = new Image();
  merger_on.src = "http://www.directv.com/images/topnav/top_merger_on.gif";

  signin_off = new Image();
  signin_off.src = "http://www.directv.com/images/topnav/top_signin.gif";
  signin_on = new Image();
  signin_on.src = "http://www.directv.com/images/topnav/top_signin_on.gif";

  signout_off = new Image();
  signout_off.src = "http://www.directv.com/images/topnav/top_signout.gif";
  signout_on = new Image();
  signout_on.src = "http://www.directv.com/images/topnav/top_signout_on.gif";
}
//end preloading images

function chgImg(imgField,newImg) {
  if (document.images) {
    document[imgField].src= eval(newImg + ".src")
  }
}
//-->