if(navigator.appVersion.charAt(0) >= 3) {
var img = new Array();

img[0] = new Image();  img[0].src = "images/hdr_btn_comp.gif"; 
img[1] = new Image();  img[1].src = "images/hdr_btn_comp_on.gif";

img[2] = new Image();  img[2].src = "images/hdr_btn_gnews.gif";
img[3] = new Image();  img[3].src = "images/hdr_btn_gnews_on.gif";

img[4] = new Image();  img[4].src = "images/hdr_btn_ir.gif"; 
img[5] = new Image();  img[5].src = "images/hdr_btn_ir_on.gif";

img[6] = new Image();  img[6].src = "images/hdr_btn_products.gif";
img[7] = new Image();  img[7].src = "images/hdr_btn_products_on.gif";

img[8] = new Image();  img[8].src = "images/hdr_btn_purch.gif"; 
img[9] = new Image();  img[9].src = "images/hdr_btn_purch_on.gif";

img[10] = new Image();  img[10].src = "images/hdr_btn_divi.gif"; 
img[11] = new Image();  img[11].src = "images/hdr_btn_divi_on.gif";

img[12] = new Image();  img[12].src = "images/hdr_btn_rd.gif"; 
img[13] = new Image();  img[13].src = "images/hdr_btn_rd_on.gif";

img[14] = new Image();  img[14].src = "images/hdr_btn_compl.gif";
img[15] = new Image();  img[15].src = "images/hdr_btn_compl_on.gif";

img[16] = new Image();  img[16].src = "images/hdr_btn_respo.gif"; 
img[17] = new Image();  img[17].src = "images/hdr_btn_respo_on.gif";

img[18] = new Image();  img[18].src = "images/hdr_btn_society.gif"; 
img[19] = new Image();  img[19].src = "images/hdr_btn_society_on.gif";

img[20] = new Image();  img[20].src = "images/hdr_btn_adopt.gif"; 
img[21] = new Image();  img[21].src = "images/hdr_btn_adopt_on.gif";

}
function changeImg(nam,num) {
	if(navigator.appVersion.charAt(0) >= 3) {
		 document.images[nam].src = img[num].src; }
}
my_pics=new Array();
my_pics[0]='images/img2005_01.jpg';
my_pics[1]='images/img2005_02.jpg';
my_pics[2]='images/img2005_04.jpg';
my_pics[3]='images/img2005_05.jpg';

al_link=new Array();
al_link[0]='responsible/index.html';
al_link[1]='research/index.html';
al_link[2]='society/index.html';
al_link[3]='society/index.html';


a=Math.floor(Math.random()*my_pics.length);

function jikan_pic(){
	document.images["mypic"].src=my_pics[a];
}
function jikan_link(){
	location.href = al_link[a];}