var bannerTimer;
var TOTAL_BANNER = 6;
var startBannerIndex = 0;
var BANNER_FOLDER = "image/banner/";
var bannerImages = new Array("Guild_cn.gif",
                                "ITStrategy_cn.gif",
                                "NoDoubt_cn.gif",
                                "Patient_cn.gif",
                                "SuccessfulOrg.gif",
                                "WorkWithDW_cn.gif");


function RotateBanner()
{
    var img = document.createElement('img');
    img.onload = function (evt) {
        document.getElementById(bannerID).src=this.src;
        document.getElementById(bannerID).width=this.width;
        document.getElementById(bannerID).height=this.height;
    }
    img.src = BANNER_FOLDER + bannerImages[startBannerIndex%TOTAL_BANNER];
    startBannerIndex++;
    if(startBannerIndex>=TOTAL_BANNER)
    {
        startBannerIndex = 0;
    }
    bannerTimer = setTimeout("RotateBanner()", 4000);
}

bannerTimer = setTimeout("RotateBanner()", 4000);