if(navigator.appVersion.charAt(0) >= 3) {
         var img = new Array();
 img[1] = new Image();  
img[1].src = "image/info_btn01a.gif";
 img[2] = new Image();  
img[2].src = "image/info_btn02a.gif";
 img[3] = new Image();  
img[3].src = "image/info_btn03a.gif";
 img[4] = new Image();  
img[4].src = "image/info_btn04a.gif";
 img[5] = new Image();  
img[5].src = "image/info_btn05a.gif";
 img[6] = new Image();  
img[6].src = "image/info_btn06a.gif";
 img[7] = new Image();  
img[7].src = "image/info_btn07a.gif";
 img[8] = new Image();  
img[8].src = "image/info_btn08a.gif";
 img[9] = new Image();  
img[9].src = "image/info_btn09a.gif";

 img[11] = new Image();  
img[11].src = "image/info_btn01b.gif";
 img[12] = new Image();  
img[12].src = "image/info_btn02b.gif";
 img[13] = new Image();  
img[13].src = "image/info_btn03b.gif";
 img[14] = new Image();  
img[14].src = "image/info_btn04b.gif";
 img[15] = new Image();  
img[15].src = "image/info_btn05b.gif";
 img[16] = new Image();  
img[16].src = "image/info_btn06b.gif";
 img[17] = new Image();  
img[17].src = "image/info_btn07b.gif";
 img[18] = new Image();  
img[18].src = "image/info_btn08b.gif";
 img[19] = new Image();  
img[19].src = "image/info_btn09b.gif";
window.onerror = null;
}

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

function _out(nam,num) {
         document.images[nam].src = img[num].src;
}