if(document.images){

product1on = new Image
product1on.src = "../images/kithome2.gif"
product1off = new Image
product1off.src = "../images/kithome1.gif"

product2on = new Image
product2on.src = "../images/nav_02.gif"
product2off = new Image
product2off.src = "../images/en_con_gh.gif"

product3on = new Image
product3on.src = "../images/nav_03.gif"
product3off = new Image
product3off.src = "../images/en_con_common.gif"

product4on = new Image
product4on.src = "../images/nav_05.gif"
product4off = new Image
product4off.src = "../images/en_con_diesel.gif"

product5on = new Image
product5on.src = "../images/nav_06.gif"
product5off = new Image
product5off.src = "../images/en_con_elect.gif"

product6on = new Image
product6on.src = "../images/nav_08.gif"
product6off = new Image
product6off.src = "../images/en_con_world.gif"

product7on = new Image
product7on.src = "../images/nav_09.gif"
product7off = new Image
product7off.src = "../images/en_con_pre.gif"

product8on = new Image
product8on.src = "../images/nav_10.gif"
product8off = new Image
product8off.src = "../images/en_con_adapt.gif"

product9on = new Image
product9on.src = "../images/nav_11.gif"
product9off = new Image
product9off.src = "../images/en_con_topview.gif"

product10on = new Image
product10on.src = "../images/nav_12.gif"
product10off = new Image
product10off.src = "../images/en_con_small.gif"

product11on = new Image
product11on.src = "../images/nav_14.gif"
product11off = new Image
product11off.src = "../images/en_con_global.gif"

product12on = new Image
product12on.src = "../images/nav_15.gif"
product12off = new Image
product12off.src = "../images/en_con_president.gif"

product13on = new Image
product13on.src = "../images/nav_13.gif"
product13off = new Image
product13off.src = "../images/en_con_exhibited.gif"

product14on = new Image
product14on.src = "../images/nav_16.gif"
product14off = new Image
product14off.src = "../images/en_con_densomedia.gif"

}

function change(newimagefield,newimages){
if(document.images){
document[newimagefield].src = eval(newimages+".src")
}
}