var currspons = 0;
var imgarr = new Array();
var timeoutitemid = 0;
var sponsorArr = new Array();
sponsorArr[sponsorArr.length] = new Array("images/home_logos/edgerton.jpg", "MIT Edgerton Center", 0);
sponsorArr[sponsorArr.length] = new Array("images/home_logos/hp.jpg", "HP", 0);
sponsorArr[sponsorArr.length] = new Array("images/home_logos/dell.jpg", "Dell", 15);
sponsorArr[sponsorArr.length] = new Array("images/home_logos/google.jpg", "Google", 15);
sponsorArr[sponsorArr.length] = new Array("images/home_logos/ms.jpg", "Microsoft", 25);
sponsorArr[sponsorArr.length] = new Array("images/home_logos/heas.jpg", "Harvard Engineering and Applied Sciences", 25);
sponsorArr[sponsorArr.length] = new Array("images/home_logos/advancedcircuits.jpg", "Advanced Circuits", 15);
function initHomeFeature() {
    timeoutitemid = window.setTimeout('rotateHomeFeature();',2400);
}
function rotateHomeFeature() {
  currspons = (currspons+1) % sponsorArr.length;
  // update the sponsor
  imgSponsor = document.getElementById('sponsor');
  sponsorParen = document.getElementById('sponsor-parent');
  imgSponsor.src = sponsorArr[currspons][0];
  imgSponsor.alt = sponsorArr[currspons][1];
  sponsorParen.style.height = sponsorArr[currspons][2]+"px";
  // update the image in the rotation
  timeoutitemid = window.setTimeout('rotateHomeFeature();',5000);
}
window.onload = initHomeFeature;