if (document.images) {

imageccOn = new Image
imageccOff = new Image

imageccOn.src= "assets/navigation/nav_career_counselling_down.gif"
imageccOff.src= "assets/navigation/nav_career_counselling_up.gif"



imagetdOn = new Image
imagetdOff = new Image

imagetdOn.src= "assets/navigation/nav_team_development_down.gif"
imagetdOff.src= "assets/navigation/nav_team_development_up.gif"



imagembOn = new Image
imagembOff = new Image

imagembOn.src= "assets/navigation/nav_myers_briggs_down.gif"
imagembOff.src= "assets/navigation/nav_myers_briggs_up.gif"



imageauOn = new Image
imageauOff = new Image

imageauOn.src= "assets/navigation/nav_about_us_down.gif"
imageauOff.src= "assets/navigation/nav_about_us_up.gif"



imagehOn = new Image
imagehOff = new Image

imagehOn.src= "assets/navigation/nav_home_down.gif"
imagehOff.src= "assets/navigation/nav_home_up.gif"



}


function chgImg(imgField, newImg) {
if (document.images) {

document[imgField].src=eval(newImg + ".src")
    }
}