//Nav Rollovers

var hood_on = new Image()
hood_on.src = "images/ba_idx_tn_hooda.jpg"

var hood_off = new Image()
hood_off.src = "images/ba_idx_tn_hoodb.jpg"

var exha_on = new Image()
exha_on.src = "images/ba_idx_tn_exhuasta.jpg"

var exha_off = new Image()
exha_off.src = "images/ba_idx_tn_exhuastb.jpg"

var duct_on = new Image()
duct_on.src = "images/ba_idx_tn_ducta.jpg"

var duct_off = new Image()
duct_off.src = "images/ba_idx_tn_ductb.jpg"

var fans_on = new Image()
fans_on.src = "images/ba_idx_tn_fana.jpg"

var fans_off = new Image()
fans_off.src = "images/ba_idx_tn_fanb.jpg"

var trou_on = new Image()
trou_on.src = "images/ba_idx_tn_troughsa.jpg"

var trou_off = new Image()
trou_off.src = "images/ba_idx_tn_troughsb.jpg"


function rollOver(imgName) {

	eval("document." + imgName + ".src=" + imgName + "_on.src")

}

function rollOut(imgName) {

	eval("document." + imgName + ".src=" + imgName + "_off.src")

}