/* Random Image Rotator JavaScript reserved for Boeing Home Page ONLY as of launch 12-09-05 */
function imgRotator(a, alt){

	var imgNum
	var rtnPicture

	imgNum = Math.floor(Math.random() * a.length);

	// error trap: just in case browser capability exceeded
	if (!isNaN(imgNum)) {
	// construct valid image return string
	rtnPicture = "<IMG SRC='" + a[imgNum] + "' ALT='" + alt[imgNum] + "' WIDTH='580' HEIGHT='435' BORDER='0' ALIGN='center'>"
	}
	else {
		// if image value fails to show up then load document with this background image.
		rtnPicture = "<IMG SRC='" + a[0] + "' ALT='The Boeing Company' WIDTH='580' HEIGHT='435' BORDER='0' ALIGN='center'>" + " "
	}

	return rtnPicture;
}