// pre-load 1st Level Nav rollover images

if (document.images) {

	contact_on = new Image(); 	contact_off = new Image(); 
	corporate_on = new Image();	corporate_off = new Image();
	news_on= new Image(); 	    news_off= new Image();
	products_on = new Image();  products_off = new Image();
	support_on = new Image();   support_off = new Image();
	training_on = new Image();  training_off = new Image();
  client_on = new Image();    client_off = new Image();
	login_on = new Image();     login_off = new Image();
	home_on = new Image();      home_off = new Image();
  asplogin_on = new Image();  asplogin_off = new Image();
  univ_on = new Image();      univ_off = new Image();
  map_on = new Image();       map_off = new Image();
  webav_on = new Image();     webav_off = new Image();
  download_on = new Image();  download_off = new Image();

		
	contact_on.src = "/lib/img/nav/contactOn.gif";		    contact_off.src = "/lib/img/nav/contactOff.gif";
	corporate_on.src = "/lib/img/nav/corporateOn.gif";      corporate_off.src = "/lib/img/nav/corporateOff.gif";
	news_on.src = "/lib/img/nav/newsOn.gif";                news_off.src = "/lib/img/nav/newsOff.gif";
	products_on.src = "/lib/img/nav/productsOn.gif";        products_off.src = "/lib/img/nav/productsOff.gif";
	support_on.src = "/lib/img/nav/suptrainOn.gif";         support_off.src = "/lib/img/nav/suptrainOff.gif";
	training_on.src = "/lib/img/nav/suptrainOn.gif";        training_off.src = "/lib/img/nav/suptrainOff.gif";
	client_on.src = "/lib/img/nav/tnavnew/tnavCsLogin2On.gif";       client_off.src = "/lib/img/nav/tnavnew/tnavCsLogin2.gif";
  login_on.src = "/lib/img/nav/tnav_loginOn.gif";           login_off.src = "/lib/img/nav/tnav_login.gif";
  home_on.src = "/lib/img/nav/tnavnew/tnavHome2On.gif";              home_off.src = "/lib/img/nav/tnavnew/tnavHome2.gif";
  asplogin_on.src = "/lib/img/nav/tnavnew/tnavMhLogin2On.gif";       asplogin_off.src = "/lib/img/nav/tnavnew/tnavMhLogin2.gif";
  map_on.src = "/lib/img/nav/tnavnew/tnavSiteMap2On.gif";            map_off.src = "/lib/img/nav/tnavnew/tnavSiteMap2.gif";
  webav_on.src = "/lib/img/nav/tnavnew/tnavWebAvails2On.gif";        webav_off.src = "/lib/img/nav/tnavnew/tnavWebAvails2.gif";
  download_on.src = "/lib/img/nav/tnavnew/tnavRandTDLOn.gif";      download_off.src = "/lib/img/nav/tnavnew/tnavRandTDL.gif";
}

// rollover functions
function on(imageName) {
        if (document.images) document[imageName].src = eval(imageName + "_on.src");
}

function off(imageName) {
        if (document.images) document[imageName].src = eval(imageName + "_off.src");
}