if (document.images) 
{
homeoff = new Image(); 
homeoff.src = "images/home.gif"; 
homeon = new Image(); 
homeon.src = "images/home_f2.gif";
searchoff = new Image(); 
searchoff.src = "images/search.gif"; 
searchon = new Image(); 
searchon.src = "images/search_f2.gif";
listingsoff = new Image(); 
listingsoff.src = "images/listings.gif"; 
listingson = new Image(); 
listingson.src = "images/listings_f2.gif";
transactionsoff = new Image(); 
transactionsoff.src = "images/transactions.gif"; 
transactionson = new Image(); 
transactionson.src = "images/transactions_f2.gif";
mortgageoff = new Image(); 
mortgageoff.src = "images/mortgage.gif"; 
mortgageon = new Image(); 
mortgageon.src = "images/mortgage_f2.gif";
peteroff = new Image();
peteroff.src = "images/peter.gif"; 
peteron = new Image(); 
peteron.src = "images/peter_f2.gif";
tomoff = new Image();
tomoff.src = "images/tom.gif"; 
tomon = new Image(); 
tomon.src = "images/tom_f2.gif";
contactoff = new Image();
contactoff.src = "images/contact.gif"; 
contacton = new Image(); 
contacton.src = "images/contact_f2.gif";
analysisoff = new Image();
analysisoff.src = "images/analysis.gif"; 
analysison = new Image(); 
analysison.src = "images/analysis_f2.gif";
}
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"); 
}
}