if(navigator.appVersion.charAt(0) >= "3"){

img = new Array();
img[0] = new Image; img[0].src = "../images/common/m1.gif";
img[1] = new Image; img[1].src = "../images/common/m1-2.gif";
img[2] = new Image; img[2].src = "../images/common/m2.gif";
img[3] = new Image; img[3].src = "../images/common/m2-2.gif";
img[4] = new Image; img[4].src = "../images/common/m3.gif";
img[5] = new Image; img[5].src = "../images/common/m3-2.gif";
img[6] = new Image; img[6].src = "../images/common/m4.gif";
img[7] = new Image; img[7].src = "../images/common/m4-2.gif";
img[8] = new Image; img[8].src = "../images/common/m5.gif";
img[9] = new Image; img[9].src = "../images/common/m5-2.gif";
img[10] = new Image; img[10].src = "../images/common/m6.gif";
img[11] = new Image; img[11].src = "../images/common/m6-2.gif";
img[12] = new Image; img[12].src = "../images/common/m7.gif";
img[13] = new Image; img[13].src = "../images/common/m7-2.gif";
img[14] = new Image; img[14].src = "../images/common/m8.gif";
img[15] = new Image; img[15].src = "../images/common/m8-2.gif";
img[16] = new Image; img[16].src = "images/btn01.gif";
img[17] = new Image; img[17].src = "images/btn01-2.gif";
img[18] = new Image; img[18].src = "images/btn02.gif";
img[19] = new Image; img[19].src = "images/btn02-2.gif";
img[20] = new Image; img[20].src = "images/btn03.gif";
img[21] = new Image; img[21].src = "images/btn03-2.gif";
img[22] = new Image; img[22].src = "images/btn04.gif";
img[23] = new Image; img[23].src = "images/btn04-2.gif";
img[24] = new Image; img[24].src = "images/btn05.gif";
img[25] = new Image; img[25].src = "images/btn05-2.gif";
img[26] = new Image; img[26].src = "images/btn06.gif";
img[27] = new Image; img[27].src = "images/btn06-2.gif";
img[28] = new Image; img[28].src = "images/btn01.gif";
img[29] = new Image; img[29].src = "images/btn01-2.gif";
img[30] = new Image; img[30].src = "images/btn02.gif";
img[31] = new Image; img[31].src = "images/btn02-2.gif";
img[32] = new Image; img[32].src = "images/btn03.gif";
img[33] = new Image; img[33].src = "images/btn03-2.gif";

img[34] = new Image; img[34].src = "images/btn04.gif";
img[35] = new Image; img[35].src = "images/btn04-2.gif";
img[36] = new Image; img[36].src = "images/btn05.gif";
img[37] = new Image; img[37].src = "images/btn05-2.gif";
img[38] = new Image; img[38].src = "images/btn07.gif";
img[39] = new Image; img[39].src = "images/btn07-2.gif";
}
function chg_img(a,b){
if(navigator.appVersion.charAt(0) >= "3"){
 document.images[a].src=img[b].src;
 }
}