ibestImages = new Array("/i-best/imagesRot/btech.jpg",
			"/i-best/imagesRot/cna3.jpg",
			"/i-best/imagesRot/cnaGrp.jpg",
			"/i-best/imagesRot/correct3.jpg",
			"/i-best/imagesRot/correctGrp.jpg",
			"/i-best/imagesRot/roof.jpg")
    imgCt = ibestImages.length
    firstTime = true

 function rotate() {
    if (document.images) {
        if (firstTime) {
            thisPix = Math.floor((Math.random() * imgCt))
            firstTime = false
        }
        else {
            thisPix++
            if (thisPix == imgCt) {
                thisPix = 0
            }
        }
        document.ibest.src=ibestImages[thisPix]
        setTimeout("rotate()", 3 * 1000)
    }
 }
 window.onload = rotate;