if (document.images) {
  var nav01on = new Image()
  nav01on.src = "images/mainmenus/menu_01_on.gif"
  var nav01off = new Image()
  nav01off.src = "images/mainmenus/menu_01_off.gif"
  
  var nav02on = new Image()
  nav02on.src = "images/mainmenus/menu_02_on.gif"
  var nav02off = new Image()
  nav02off.src = "images/mainmenus/menu_02_off.gif"
  
  var nav03on = new Image()
  nav03on.src = "images/mainmenus/menu_03_on.gif"
  var nav03off = new Image()
  nav03off.src = "images/mainmenus/menu_03_off.gif"

  var nav04on = new Image()
  nav04on.src = "images/mainmenus/menu_04_on.gif"
  var nav04off = new Image()
  nav04off.src = "images/mainmenus/menu_04_off.gif"

  var navcollon = new Image()
  navcollon.src = "images/mainmenus/menu_coll_on.gif"
  var navcolloff = new Image()
  navcolloff.src = "images/mainmenus/menu_coll_off.gif"
 
  var nav05on = new Image()
  nav05on.src = "images/mainmenus/menu_05_on.gif"
  var nav05off = new Image()
  nav05off.src = "images/mainmenus/menu_05_off.gif"

  var nav06on = new Image()
  nav06on.src = "images/mainmenus/menu_06_on.gif"
  var nav06off = new Image()
  nav06off.src = "images/mainmenus/menu_06_off.gif"

   var nav07on = new Image()
  nav07on.src = "images/mainmenus/menu_07_on.gif"
  var nav07off = new Image()
  nav07off.src = "images/mainmenus/menu_07_off.gif"
 
   var nav08on = new Image()
  nav08on.src = "images/mainmenus/menu_08_on.gif"
  var nav08off = new Image()
  nav08off.src = "images/mainmenus/menu_08_off.gif"
  
  var nav09on = new Image()
  nav09on.src = "images/mainmenus/menu_09_on.gif"
  var nav09off = new Image()
  nav09off.src = "images/mainmenus/menu_09_off.gif"
  
  var nav10on = new Image()
  nav10on.src = "images/mainmenus/menu_10_on.gif"
  var nav10off = new Image()
  nav10off.src = "images/mainmenus/menu_10_off.gif"

  var nav11on = new Image()
  nav11on.src = "images/mainmenus/menu_11_on.gif"
  var nav11off = new Image()
  nav11off.src = "images/mainmenus/menu_11_off.gif"

  var nav12on = new Image()
  nav12on.src = "images/mainmenus/menu_12_on.gif"
  var nav12off = new Image()
  nav12off.src = "images/mainmenus/menu_12_off.gif"

 var nav13on = new Image()
  nav13on.src="images/mainmenus/menu_13_on.gif"
  var nav13off = new Image()
  nav13off.src="images/mainmenus/menu_13_off.gif"

  var nav15on = new Image()
  nav15on.src = "images/sitemap_on.gif"
  var nav15off = new Image()
  nav15off.src = "images/sitemap_b.gif"

  var nav16on = new Image()
  nav16on.src = "images/contact_on.gif"
  var nav16off = new Image()
  nav16off.src = "images/contact.gif"

  var chinaon = new Image()
  chinaon.src = "images/china_var_on.gif"
  var chinaoff = new Image()
  chinaoff.src = "images/china_var_off.gif"

}
function inact(imgName) {
  if (document.images)
    document[imgName].src = eval(imgName + 'off.src');
}

function act(imgName) {
  if (document.images)
    document[imgName].src = eval(imgName + 'on.src');
}

function gotosite(site) {
if (site != "") {
window.location=site;
}
}
function mypopup2(bimg_url,size){
window.open(bimg_url,"",size);
}