prehom1=new Image(280,100);
prehom2= new Image(280,100);
prehom1.src="buttons/home.gif";
prehom2.src="buttons/home1.gif";

preabt1=new Image(280,100);
preabt2= new Image(280,100);
preabt1.src="buttons/aboutus.gif";
preabt2.src="buttons/aboutus1.gif";

preadv1=new Image(280,100);
preadv2= new Image(280,100);
preadv1.src="buttons/advcg.gif";
preadv2.src="buttons/advcg1.gif";

preprd1=new Image(280,100);
preprd2= new Image(280,100);
preprd1.src="buttons/products.gif";
preprd2.src="buttons/products1.gif";

preord1=new Image(280,100);
preord2= new Image(280,100);
preord1.src="buttons/order.gif";
preord2.src="buttons/order1.gif";

prejob1=new Image(280,100);
prejob2= new Image(280,100);
prejob1.src="buttons/jobs.gif";
prejob2.src="buttons/jobs1.gif";

preenq1=new Image(280,100);
preenq2= new Image(280,100);
preenq1.src="buttons/enquiry.gif";
preenq2.src="buttons/enquiry1.gif";

prefed1=new Image(280,100);
prefed2= new Image(280,100);
prefed1.src="buttons/feed.gif";
prefed2.src="buttons/feed1.gif";

precon1=new Image(280,100);
precon2= new Image(280,100);
precon1.src="buttons/contact.gif";
precon2.src="buttons/contact1.gif";