function go(f) {
	var loc = f.options[f.selectedIndex].value
	if (loc != "") {
		window.top.location.href = loc
		f.selectedIndex = 0
	}
}

var c = 1
var t
var imgs = new Array()

imgs[1] = new Image()
imgs[1].src = "/images/truck-snow.jpg"
imgs[2] = new Image()
imgs[2].src = "/images/truck-rain.jpg"
imgs[3] = new Image()
imgs[3].src = "/images/truck-beach3.jpg"
imgs[4] = new Image()
imgs[4].src = "/images/truck-lightning.jpg"

function mssimgswap() {
	c = (c < 5) ? (c) : 1
	document.mssimg.src = imgs[c].src
	t = setTimeout("mssimgswap()", 3000)
	c++
}