image1= new Image(120,43);
image1.src="images/airfares.gif" ;
image1a= new Image(120,43);
image1a.src="images/airfaresa.gif"; 
image2= new Image(81,23);
image2.src="images/contact.gif" ;
image2a= new Image(81,23);
image2a.src="images/contacta.gif" ;