beaOff = new Image
janOff = new Image
clinOff = new Image
busOff = new Image


beaOver = new Image
janOver = new Image
clinOver = new Image
busOver = new Image

beaOff.src = "images/bea_off.gif"
janOff.src = "images/jan_off.gif"
clinOff.src = "images/clin_off.gif"
busOff.src = "images/bus_off.gif"


beaOver.src = "images/bea_over.gif"
janOver.src = "images/jan_over.gif"
clinOver.src = "images/clin_over.gif"
busOver.src = "images/bus_over.gif"



function imgOver(thisImg) {
	document[thisImg].src = "images/" + thisImg + "_over.gif"
}

function imgOut(thisImg) {
	document[thisImg].src = "images/" + thisImg + "_off.gif"
}