if (document.images)
{
  pic1= new Image(100,50); 
  pic1.src="layout/roll_home_button.jpg"; 

  pic2= new Image(100,50); 
  pic2.src="layout/roll_about_button.jpg"; 

  pic3= new Image(100,50); 
  pic3.src="layout/roll_arts_button.jpg"; 

  pic4= new Image(100,50); 
  pic4.src="layout/roll_links_button.jpg"; 

  pic5= new Image(100,50); 
  pic5.src="layout/roll_fap_button.jpg"; 

  pic8= new Image(100,50); 
  pic8.src="layout/home_button.jpg"; 

  pic9= new Image(100,50); 
  pic9.src="layout/about_button.jpg"; 

  pic10= new Image(100,50); 
  pic10.src="layout/keiki_button.jpg"; 

  pic13= new Image(100,50); 
  pic13.src="layout/links_button.jpg"; 

  pic14= new Image(100,50); 
  pic14.src="layout/fap_button.jpg";   
}