//pre-cache images
var imgHome = new Image(43,12)
var imgStory = new Image(40,14)
var imgBTS = new Image(119,13)

//Image Paths
imgHome.src = "images/btn_home_over.gif"
imgStory.src = "images/btn_story_over.gif"
imgBTS.src = "images/btn_bts_over.gif"

//Image Swapping Functions
function mouseOver(image){
	image.src = "images/" + image.id + "_over.gif"
}

function mouseOut(image){
	image.src = "images/" + image.id + ".gif"
}