butt1=new Image();
butt1_on=new Image();
butt1.src="images/about.gif";
butt1_on.src="images/about_on.gif";
//*************
butt2=new Image();
butt2_on=new Image();
butt2.src="images/products.gif";
butt2_on.src="images/products_on.gif";
//*************
butt3=new Image();
butt3_on=new Image();
butt3.src="images/tech.gif";
butt3_on.src="images/tech_on.gif";
//*************
butt4=new Image();
butt4_on=new Image();
butt4.src="images/newsb.gif";
butt4_on.src="images/newsb_on.gif";
//*************
butt5=new Image();
butt5_on=new Image();
butt5.src="images/service.gif";
butt5_on.src="images/service_on.gif";

//*************
butt6=new Image();
butt6_on=new Image();
butt6.src="images/contact.gif";
butt6_on.src="images/contact_on.gif";

//*************
butt7=new Image();
butt7_on=new Image();
butt7.src="images/home.gif";
butt7_on.src="images/home_on.gif";