button0 = new Image;
button0.src = "images/company_profile.gif";
button1 = new Image;
button1.src = "images/company_profile_on.gif";
button2 = new Image;
button2.src = "images/products.gif";
button3 = new Image;
button3.src = "images/products_on.gif";
button4 = new Image;
button4.src = "images/principals.gif";
button5 = new Image;
button5.src = "images/principals_on.gif";
button6 = new Image;
button6.src = "images/news_updates.gif";
button7 = new Image;
button7.src = "images/news_updates_on.gif";
button8 = new Image;
button8.src = "images/contact_us.gif";
button9 = new Image;
button9.src = "images/contact_us_on.gif";