if (document.images) {
	button1 = new Image
	button2 = new Image
	button3 = new Image
	button4 = new Image
	button5 = new Image
	button6 = new Image
	button7 = new Image
	button8 = new Image
	button9 = new Image
	button10 = new Image
	button11 = new Image
	button12 = new Image
	button13 = new Image
	button14 = new Image
	button15 = new Image
	button16 = new Image
	button17 = new Image
	button18 = new Image	 
	button19 = new Image
	button20 = new Image
	button21 = new Image
	button22 = new Image
	button23 = new Image
	button24 = new Image
	button25 = new Image
	button26 = new Image
	button27 = new Image
	button28 = new Image
	button29 = new Image
	button30 = new Image
	button31 = new Image
	button32 = new Image	
	button33 = new Image	
	button34 = new Image	

	button1.src = 'http://www.altomed.com/images/nav/tab1.gif'
	button2.src = 'http://www.altomed.com/images/nav/tab1_on.gif'
	button3.src = 'http://www.altomed.com/images/nav/tab2.gif'
	button4.src = 'http://www.altomed.com/images/nav/tab2_on.gif'
	button5.src = 'http://www.altomed.com/images/nav/tab3.gif'
	button6.src = 'http://www.altomed.com/images/nav/tab3_on.gif'
	button7.src = 'http://www.altomed.com/images/nav/tab4.gif'
	button8.src = 'http://www.altomed.com/images/nav/tab4_on.gif'	 
	button9.src = 'http://www.altomed.com/images/nav/tab5.gif'
	button10.src = 'http://www.altomed.com/images/nav/tab5_on.gif'
	button11.src = 'http://www.altomed.com/images/nav/tab6.gif'
	button12.src = 'http://www.altomed.com/images/nav/tab6_on.gif'
	button13.src = 'http://www.altomed.com/images/nav/tab7.gif'
	button14.src = 'http://www.altomed.com/images/nav/tab7_on.gif'
	button15.src = 'http://www.altomed.com/images/nav/tab8.gif'
	button16.src = 'http://www.altomed.com/images/nav/tab8_on.gif'
	button17.src = 'http://www.altomed.com/images/nav/tab9.gif'
	button18.src = 'http://www.altomed.com/images/nav/tab9_on.gif'
	button19.src = 'http://www.altomed.com/images/nav/1_menu.gif'
	button20.src = 'http://www.altomed.com/images/nav/1_menu_on.gif'
	button21.src = 'http://www.altomed.com/images/nav/2_menu.gif'
	button22.src = 'http://www.altomed.com/images/nav/2_menu_on.gif' 
	button23.src = 'http://www.altomed.com/images/nav/3_menu.gif'
	button24.src = 'http://www.altomed.com/images/nav/3_menu_on.gif'
	button25.src = 'http://www.altomed.com/images/nav/4_menu.gif'
	button26.src = 'http://www.altomed.com/images/nav/4_menu_on.gif'
	button27.src = 'http://www.altomed.com/images/nav/5_menu.gif'
	button28.src = 'http://www.altomed.com/images/nav/5_menu_on.gif'
	button29.src = 'http://www.altomed.com/images/nav/6_menu.gif'
	button30.src = 'http://www.altomed.com/images/nav/6_menu_on.gif'
	button31.src = 'http://www.altomed.com/images/nav/7_menu.gif'
	button32.src = 'http://www.altomed.com/images/nav/7_menu_on.gif'
	button33.src = 'http://www.altomed.com/images/nav/customer_feedback.gif'
	button34.src = 'http://www.altomed.com/images/nav/customer_feedback_on.gif'

 }