var menu_images = new Array();
function change_image(nam,num) {
	if(navigator.appVersion.charAt(0) >= 3) {
		document.images[nam].src = menu_images[num].src;
	}
}
function change_image_init(topurl){
	if(navigator.appVersion.charAt(0) >= 3) {
		menu_images[1]  = new Image();  menu_images[1].src = topurl + "/images/mnu_about.jpg"; 
		menu_images[2]  = new Image();  menu_images[2].src = topurl + "/images/mnu_about_on.jpg"; 
		menu_images[3]  = new Image();  menu_images[3].src = topurl + "/images/mnu_meguriai.jpg"; 
		menu_images[4]  = new Image();  menu_images[4].src = topurl + "/images/mnu_meguriai_on.jpg"; 
		menu_images[5]  = new Image();  menu_images[5].src = topurl + "/images/mnu_supporter.jpg"; 
		menu_images[6]  = new Image();  menu_images[6].src = topurl + "/images/mnu_supporter_on.jpg"; 
		menu_images[7]  = new Image();  menu_images[7].src = topurl + "/images/mnu_supporter_all.jpg"; 
		menu_images[8]  = new Image();  menu_images[8].src = topurl + "/images/mnu_supporter_all_on.jpg"; 
		menu_images[9]  = new Image();  menu_images[9].src = topurl + "/images/mnu_event.jpg"; 
		menu_images[10] = new Image();  menu_images[10].src= topurl + "/images/mnu_event_on.jpg"; 
		menu_images[11] = new Image();  menu_images[11].src= topurl + "/images/mnu_magazine.jpg"; 
		menu_images[12] = new Image();  menu_images[12].src= topurl + "/images/mnu_magazine_on.jpg"; 
		menu_images[13] = new Image();  menu_images[13].src= topurl + "/images/mnu_faq.jpg"; 
		menu_images[14] = new Image();  menu_images[14].src= topurl + "/images/mnu_faq_on.jpg"; 
	}
}