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 
	 
	 button1.src = 'buttons/email.gif'
     button2.src = 'buttons/email_lit.gif'
	 
	 button3.src = 'buttons/home.gif'
     button4.src = 'buttons/home_lit.gif'
	 
	 button5.src = 'buttons/testimonials.gif'
     button6.src = 'buttons/testimonials_lit.gif'
	 
	 button7.src = 'buttons/samples.gif'
     button8.src = 'buttons/samples_lit.gif'
	 
	 button9.src = 'buttons/prices.gif'
     button10.src = 'buttons/prices_lit.gif'
 	 
	 button11.src = 'buttons/faq.gif'
     button12.src = 'buttons/faq_lit.gif'
 }