if(navigator.appVersion.charAt(0) >= "3") {
 var img = new Array();
 img[0] = new Image();  img[0].src = "/nikeosaka/img/hd_m1a.gif";
 img[1] = new Image();  img[1].src = "/nikeosaka/img/hd_m1b.gif";
 img[2] = new Image();  img[2].src = "/nikeosaka/img/hd_m2a.gif";
 img[3] = new Image();  img[3].src = "/nikeosaka/img/hd_m2b.gif";
 img[4] = new Image();  img[4].src = "/nikeosaka/img/hd_m3a.gif";
 img[5] = new Image();  img[5].src = "/nikeosaka/img/hd_m3b.gif";
 img[6] = new Image();  img[6].src = "/nikeosaka/img/hd_m4a.gif";
 img[7] = new Image();  img[7].src = "/nikeosaka/img/hd_m4b.gif";
 img[8] = new Image();  img[8].src = "/nikeosaka/img/hd_m5a.gif";
 img[9] = new Image();  img[9].src = "/nikeosaka/img/hd_m5b.gif";
 img[10] = new Image();  img[10].src = "/nikeosaka/img/hd_m6a.gif";
 img[11] = new Image();  img[11].src = "/nikeosaka/img/hd_m6b.gif";
 
 img[12] = new Image();  img[12].src = "/nikeosaka/img/top_m1a.gif";
 img[13] = new Image();  img[13].src = "/nikeosaka/img/top_m1b.gif";
 img[14] = new Image();  img[14].src = "/nikeosaka/img/top_m2a.gif";
 img[15] = new Image();  img[15].src = "/nikeosaka/img/top_m2b.gif";
 img[16] = new Image();  img[16].src = "/nikeosaka/img/top_m3a.gif";
 img[17] = new Image();  img[17].src = "/nikeosaka/img/top_m3b.gif";
 img[18] = new Image();  img[18].src = "/nikeosaka/img/top_m4a.gif";
 img[19] = new Image();  img[19].src = "/nikeosaka/img/top_m4b.gif";
 img[20] = new Image();  img[20].src = "/nikeosaka/img/top_m5a.gif";
 img[21] = new Image();  img[21].src = "/nikeosaka/img/top_m5b.gif";
 
 img[22] = new Image();  img[22].src = "/nikeosaka/products/img/more1.gif";
 img[23] = new Image();  img[23].src = "/nikeosaka/products/img/more2.gif";
 
 img[24] = new Image();  img[24].src = "/nikeosaka/products/img/back1.gif";
 img[25] = new Image();  img[25].src = "/nikeosaka/products/img/back2.gif";
 
  img[26] = new Image();  img[26].src = "/nikeosaka/img/backnum1.gif";
  img[27] = new Image();  img[27].src = "/nikeosaka/img/backnum2.gif";

    }
function _in(nam,num) {
if(navigator.appVersion.charAt(0) >= "3") {
 document.images[nam].src = img[num].src;
   } else { }
	}
function _out(nam,num) {
 document.images[nam].src = img[num].src;
	}