if(document.images) {
//Define the images we will use for the rollover
	imap = new Image
	imapa = new Image
	imapb = new Image
	imapc = new Image
	imapd = new Image
	imape = new Image
	imapf = new Image
	imapg = new Image
	imapz = new Image

//Assigning the file names here will make sure that all
// the images are downloaded before the image map rollover
// is activated.
	imap.src = "images/logo-top.gif"
	imapa.src = "images/logo-top-panth.gif"
	imapb.src = "images/logo-top-web.gif"
	imapc.src = "images/logo-top-cas.gif"
	imapd.src = "images/logo-top-sc.gif"
	imapz.src = "images/logo-bot.gif"
	imape.src = "images/logo-bot-yale.gif"
	imapf.src = "images/logo-bot-its.gif"
	imapg.src = "images/logo-bot-amt.gif"
}
else {
	imap = ""
	imapa = ""
	imapb = ""
	imapc = ""
	imapd = ""
	imape = ""
	imapf = ""
	imapg = ""
	imapz = ""

	document.roll = ""
	document.roll2 = ""
}