//function to get random number upto m
function randomXToY(minVal,maxVal,floatVal) {
    var randVal = minVal+(Math.random()*(maxVal-minVal));
    return typeof floatVal=='undefined'?Math.round(randVal):randVal.toFixed(floatVal);
} // function

var delay = 3500; // rotation delay (in milliseconds)
var randomize = 1;

// :%s/old/new/g
// old: BUREAU.bbb.org\/Storage\/47\/images\/sponsorimages
// new: BUREAU.bbb.org\/Storage\/47\/images\/sponsorimages

rotationImage = new Array();
rotationImage[0] = new Image(191, 75);
rotationImage[0].src = "http://central-westernma.bbb.org/Storage/167/images/sponsors/sponsor_charter2.jpg";
rotationImage[1] = new Image(191, 75);
rotationImage[1].src = "http://central-westernma.bbb.org/Storage/167/images/sponsors/sponsor_telegram2.jpg";

rotationUrl = new Array();
rotationUrl[0] = "http://www.charter.com";
rotationUrl[1] = "http://www.telegram.com";

rotationTracker = new Array();
rotationTracker[0] = "/bannerclicks/sponsor_ID";
rotationTracker[1] = "/bannerclicks/sponsor_ID";

var totalImgNumber = rotationImage.length;
var imgNumber = randomXToY(0, totalImgNumber-1);

function rotateImg() {
	var content = "";
	if (rotationImage[imgNumber].src) {
		content = getImg();
	} else {
		content = getFlash();
	} // if
	document.getElementById("sponsor_div").innerHTML = content;
	
	imgNumber++;
	
	if (imgNumber >= totalImgNumber) {
		imgNumber=0;
	} // if
} // function

function getImg() {
	return '<a href="' + rotationUrl[imgNumber] + '" onclick="javascript:pageTracker._trackPageview(\'' + rotationTracker[imgNumber] + '\');" target="_blank" id="sponsor_link"><img src="'+rotationImage[imgNumber].src+'" name="rotationImg" style="border: #000000 0px solid;" /></a>';
} // function

function getFlash() {
	return '<embed src="' + rotationImage[imgNumber] + '" quality="high" width="468" height="60" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></embed>';
} // function

function rotate() {
      rotateImg();
      setTimeout("rotate()", delay);
} // function

rotate();