if (document.images) {

var offImgArray = new Array( )
offImgArray["about"] = new Image(150,32)
offImgArray["entertain"] = new Image(150,32)
offImgArray["wedding"] = new Image(150,32)
offImgArray["corporate"] = new Image(150,32)
offImgArray["home"] = new Image(150,32)

offImgArray["about"].src = "../img/about.gif"
offImgArray["entertain"].src = "../img/entertain.gif"
offImgArray["wedding"].src = "../img/weddings.gif"
offImgArray["corporate"].src = "../img/corporate.gif"
offImgArray["home"].src = "../img/home.gif"

var onImgArray = new Array( )
onImgArray["about"] = new Image(150,32)
onImgArray["entertain"] = new Image(150,32)
onImgArray["wedding"] = new Image(150,32)
onImgArray["corporate"] = new Image(150,32)
onImgArray["home"] = new Image(150,32)

onImgArray["about"].src = "../img/about_on.gif"
onImgArray["entertain"].src = "../img/entertain_on.gif"
onImgArray["wedding"].src = "../img/weddings_on.gif"
onImgArray["corporate"].src = "../img/corporate_on.gif"
onImgArray["home"].src = "../img/home_on.gif"

}

function imageOn(imgName) {
	if (document.images) {
		document.images[imgName].src = onImgArray[imgName].src
	}
}

function imageOff(imgName) {
	if (document.images) {
		document.images[imgName].src = offImgArray[imgName].src
	}
}