if(navigator.appVersion.charAt(0) >= "3"){
img = new Array();
img[0] = new Image; img[0].src = "img/head_btn_01.gif";
img[1] = new Image; img[1].src = "img/head_btn_01_h.gif";
img[2] = new Image; img[2].src = "img/head_btn_02.gif";
img[3] = new Image; img[3].src = "img/head_btn_02_h.gif";
img[4] = new Image; img[4].src = "img/btn_01.gif";
img[5] = new Image; img[5].src = "img/btn_01_h.gif";
img[6] = new Image; img[6].src = "img/btn_02.gif";
img[7] = new Image; img[7].src = "img/btn_02_h.gif";
img[8] = new Image; img[8].src = "img/btn_03.gif";
img[9] = new Image; img[9].src = "img/btn_03_h.gif";
img[10] = new Image; img[10].src = "img/btn_04.gif";
img[11] = new Image; img[11].src = "img/btn_04_h.gif";
img[12] = new Image; img[12].src = "img/btn_05.gif";
img[13] = new Image; img[13].src = "img/btn_05_h.gif";
img[14] = new Image; img[14].src = "img/btn_06.gif";
img[15] = new Image; img[15].src = "img/btn_06_h.gif";
img[16] = new Image; img[16].src = "img/btn_07.gif";
img[17] = new Image; img[17].src = "img/btn_07_h.gif";
img[18] = new Image; img[18].src = "img/btn_08.gif";
img[19] = new Image; img[19].src = "img/btn_08_h.gif";
img[20] = new Image; img[20].src = "img/com_btn_01.gif";
img[21] = new Image; img[21].src = "img/com_btn_01_h.gif";
img[22] = new Image; img[22].src = "img/com_btn_02.gif";
img[23] = new Image; img[23].src = "img/com_btn_02_h.gif";
img[24] = new Image; img[24].src = "img/com_btn_03.gif";
img[25] = new Image; img[25].src = "img/com_btn_03_h.gif";
img[26] = new Image; img[26].src = "img/com_btn_04.gif";
img[27] = new Image; img[27].src = "img/com_btn_04_h.gif";
img[28] = new Image; img[28].src = "img/com_btn_05.gif";
img[29] = new Image; img[29].src = "img/com_btn_05_h.gif";
img[30] = new Image; img[30].src = "img/com_btn_06.gif";
img[31] = new Image; img[31].src = "img/com_btn_06_h.gif";
img[32] = new Image; img[32].src = "img/com_btn_07.gif";
img[33] = new Image; img[33].src = "img/com_btn_07_h.gif";
img[34] = new Image; img[34].src = "img/qua_btn_01.gif";
img[35] = new Image; img[35].src = "img/qua_btn_01_h.gif";
img[36] = new Image; img[36].src = "img/qua_btn_02.gif";
img[37] = new Image; img[37].src = "img/qua_btn_02_h.gif";
img[38] = new Image; img[38].src = "img/qua_btn_03.gif";
img[39] = new Image; img[39].src = "img/qua_btn_03_h.gif";
img[40] = new Image; img[40].src = "img/pro_btn_01.gif";
img[41] = new Image; img[41].src = "img/pro_btn_01_h.gif";
img[42] = new Image; img[42].src = "img/pro_btn_02.gif";
img[43] = new Image; img[43].src = "img/pro_btn_02_h.gif";
img[44] = new Image; img[44].src = "img/pro_btn_03.gif";
img[45] = new Image; img[45].src = "img/pro_btn_03_h.gif";
img[46] = new Image; img[46].src = "img/pro_btn_04.gif";
img[47] = new Image; img[47].src = "img/pro_btn_04_h.gif";
img[48] = new Image; img[48].src = "img/pro_btn_05.gif";
img[49] = new Image; img[49].src = "img/pro_btn_05_h.gif";
img[50] = new Image; img[50].src = "img/pro_btn_06.gif";
img[51] = new Image; img[51].src = "img/pro_btn_06_h.gif";
img[52] = new Image; img[52].src = "img/pro_btn_07.gif";
img[53] = new Image; img[53].src = "img/pro_btn_07_h.gif";
img[54] = new Image; img[54].src = "img/pro_btn_08.gif";
img[55] = new Image; img[55].src = "img/pro_btn_08_h.gif";
img[56] = new Image; img[56].src = "img/pro_btn_09.gif";
img[57] = new Image; img[57].src = "img/pro_btn_09_h.gif";
img[58] = new Image; img[58].src = "img/pro_btn_10.gif";
img[59] = new Image; img[59].src = "img/pro_btn_10_h.gif";
img[60] = new Image; img[60].src = "img/pro_btn_11.gif";
img[61] = new Image; img[61].src = "img/pro_btn_11_h.gif";
img[62] = new Image; img[62].src = "img/pro_btn_12.gif";
img[63] = new Image; img[63].src = "img/pro_btn_12_h.gif";
img[64] = new Image; img[64].src = "img/pro_btn_13.gif";
img[65] = new Image; img[65].src = "img/pro_btn_13_h.gif";
img[66] = new Image; img[66].src = "img/pro_btn_14.gif";
img[67] = new Image; img[67].src = "img/pro_btn_14_h.gif";
img[68] = new Image; img[68].src = "img/pro_btn_15.gif";
img[69] = new Image; img[69].src = "img/pro_btn_15_h.gif";
img[70] = new Image; img[70].src = "img/eco_btn_01.gif";
img[71] = new Image; img[71].src = "img/eco_btn_01_h.gif";
img[72] = new Image; img[72].src = "img/eco_btn_02.gif";
img[73] = new Image; img[73].src = "img/eco_btn_02_h.gif";
img[74] = new Image; img[74].src = "img/proc_btn_01.gif";
img[75] = new Image; img[75].src = "img/proc_btn_01_h.gif";
img[76] = new Image; img[76].src = "img/proc_btn_02.gif";
img[77] = new Image; img[77].src = "img/proc_btn_02_h.gif";
img[78] = new Image; img[78].src = "img/proc_btn_03.gif";
img[79] = new Image; img[79].src = "img/proc_btn_03_h.gif";
img[80] = new Image; img[80].src = "img/proc_btn_04.gif";
img[81] = new Image; img[81].src = "img/proc_btn_04_h.gif";
img[82] = new Image; img[82].src = "img/exa_btn_01.gif";
img[83] = new Image; img[83].src = "img/exa_btn_01_h.gif";
img[84] = new Image; img[84].src = "img/exa_btn_02.gif";
img[85] = new Image; img[85].src = "img/exa_btn_02_h.gif";
}
function chg_img(a,b){
if(navigator.appVersion.charAt(0) >= "3"){
 document.images[a].src=img[b].src;
 }
}