// rotateBanners.js

var bState = -1;
var timeDelayBanner = 5000;

if( page == "index" )
 { var adImg = new Array( "images/banners/rmha.gif", "images/banners/golden_villa_homes.gif", "images/banners/sherman_and_howard.gif", "images/banners/colorado_springs_mortgage_services.jpg" ); }
else
 {  var adImg = new Array( "../../images/banners/rmha.gif", "../../images/banners/golden_villa_homes.gif", "../../images/banners/sherman_and_howard.gif", "../../images/banners/colorado_springs_mortgage_services.jpg" ); }
 
var adAlt = new Array( "Rocky Mountain Home Association", "Golden Villa Homes", "Sherman & Howard LLC", "Colorado Springs Mortgage Services" );
var adUrl = new Array( "http://www.coloradohome.org", "http://www.GoldenVillaHomes.com", "http://www.ShermanHoward.com", "http://www.lendingcolorado.com" );

function newURL()
 { document.location.href = adUrl[ bState ]; }

function rotateBanners()
 {
 var tStart = new Date();
 var img    = new Image();
 var stop   = 0;
 var i      = 1;

  // increment banner counter
  if( bState >= adImg.length -1 )
   { bState = 0; }
  else
   { bState = bState + 1; }

 if( document.myImg1 )
  {
  // set all banner ads to the selected image
  while( stop == 0 )
   {
   document["myImg" + i ].src = adImg[ bState ];
   document["myImg" + i ].alt = adAlt[ bState ];
   i = i + 1;
   if( !document["myImg" + i ] ) // if the next image placement doesn't exist
    { stop = 1; }
   }
  document["myImg1"].src = adImg[ bState ];
  document["myImg1"].alt = adAlt[ bState ];


  // wait until time to proceed
  var tEnd   = new Date();
  var tDelay = timeDelayBanner - tEnd.getTime() + tStart.getTime();
  if( tDelay < 0 ) 
   { tDelay = 10; }

  // display the next banner
  setTimeout( "rotateBanners()", tDelay );
  }
 }