var objCount = 0; // number of (changing) images on web-page
function preload(name, first, second) {  
if (browserOK) {     
pics[objCount] = new Array(25);
pics[objCount][0] = new Image();
pics[objCount][0].src = first;
pics[objCount][1] = new Image();
pics[objCount][1].src = second;
pics[objCount][2] = name;
objCount++;
}
}
function on(name){
if (browserOK) {
for (i = 0; i < objCount; i++) {
if (document.images[pics[i][2]] != null)
if (name != pics[i][2]) { 
// set back all other pictures
document.images[pics[i][2]].src = pics[i][0].src;
} else {
// show the second image because cursor moves across this image
document.images[pics[i][2]].src = pics[i][1].src;
}
}
}
}
function off(){
if (browserOK) {
for (i = 0; i < objCount; i++) {
// set back all pictures
if (document.images[pics[i][2]] != null) 
document.images[pics[i][2]].src = pics[i][0].src;
}
}
}
preload("link1","images/homenav1.jpg" , "images/homenav2.jpg");
preload("link2","images/productsnav1.jpg" , "images/productsnav2.jpg");
preload("link3","images/customercarenav1.jpg" , "images/customercarenav2.jpg");
preload("link4","images/ourcompanynav1.jpg" , "images/ourcompanynav2.jpg");
preload("link5","images/contactusnav1.jpg" , "images/contactusnav2.jpg");
preload("link6","images/ventedgaslogs.gif" , "images/ventedgaslogs2.gif");
preload("link7","images/ventfreegaslogs.gif" , "images/ventfreegaslogs2.gif");
preload("link8","images/ventfreefireplaces.gif" , "images/ventfreefireplaces2.gif");
preload("link9","images/freestandinggasstoves.gif" , "images/freestandinggasstoves2.gif");
preload("link10","images/outdoorcookers.gif" , "images/outdoorcookers2.gif");
preload("link11","images/blowersandaccessories.gif" , "images/blowersandaccessories2.gif");
preload("link12","images/renovationsremodeling.gif" , "images/renovationsremodeling2.gif");
preload("link13","images/customerservice.gif" , "images/customerservice2.gif");
preload("link14","images/faq.gif" , "images/faq2.gif");
preload("link15","images/maintenancesafety.gif" , "images/maintenancesafety2.gif");
preload("link16","images/measuringfp.gif" , "images/measuringfp2.gif");
preload("link17","images/testimonials.gif" , "images/testimonials2.gif");
preload("link18","images/addtest.gif" , "images/addtest2.gif");
preload("link19","images/productmanuals.gif" , "images/productmanuals2.gif");
preload("link20","images/advertisingmaterials.gif" , "images/advertisingmaterials2.gif");
preload("link21","images/ventfreeinserts.gif" , "images/ventfreeinserts2.gif");
preload("link30","images/aboutus.gif" , "images/aboutus2.gif");
preload("link31","images/whatsnew.gif" , "images/whatsnew2.gif");
preload("link32","images/careers.gif" , "images/careers2.gif");
preload("link33","images/email_01.gif" , "images/email_02.gif");