image1on = new Image(); 
image1on.src= "/common/images/marketing/becomesupplier.gif";
image1off = new Image(); 
image1off.src= "/common/images/marketing/becomesupplier_over.gif";
image1on = new Image(); 
image1on.src= "/common/images/marketing/contactatrader.gif";
image1off = new Image(); 
image1off.src= "/common/images/marketing/contactatrader_over.gif";