i2on=new Image(); i3on=new Image(); i4on=new Image(); i5on=new Image(); i6on=new Image();
i2off=new Image(); i3off=new Image(); i4off=new Image(); i5off=new Image();  i6off=new Image();

i2on.src="img/home_button.jpg";
i2off.src="img/home_button_1.jpg";

i3on.src="img/news_button.jpg";
i3off.src="img/news_button_1.jpg";

i4on.src="img/promo_button.jpg";
i4off.src="img/promo_button_1.jpg";

i5on.src="img/topten_button.jpg";
i5off.src="img/topten_button_1.jpg";

i6on.src="img/contact_button.jpg";
i6off.src="img/contact_button_1.jpg";