if(navigator.appVersion.charAt(0) >= 3) {
 var img = new Array();
 img[0] = new Image();  img[0].src = "/images/header/v_head_mainsearch_off.gif";
 img[1] = new Image();  img[1].src = "/images/header/v_head_mainsearch_on.gif";

 img[2] = new Image();  img[2].src = "/images/header/v_head_bt1_0_off.gif";
 img[3] = new Image();  img[3].src = "/images/header/v_head_bt1_0_on.gif";
 img[4] = new Image();  img[4].src = "/images/header/v_head_bt1_1_off.gif";
 img[5] = new Image();  img[5].src = "/images/header/v_head_bt1_1_on.gif";
 img[6] = new Image();  img[6].src = "/images/header/v_head_bt1_2_off.gif";
 img[7] = new Image();  img[7].src = "/images/header/v_head_bt1_2_on.gif";
 img[8] = new Image();  img[8].src = "/images/header/v_head_bt1_3_off.gif";
 img[9] = new Image();  img[9].src = "/images/header/v_head_bt1_3_on.gif";
 img[10] = new Image();  img[10].src = "/images/header/v_head_bt1_4_off.gif";
 img[11] = new Image();  img[11].src = "/images/header/v_head_bt1_4_on.gif";
 img[12] = new Image();  img[12].src = "/images/header/v_head_bt1_5_off.gif";
 img[13] = new Image();  img[13].src = "/images/header/v_head_bt1_5_on.gif";
 
 img[14] = new Image();  img[14].src = "/images/header/v_head_bt2_1_off.gif";
 img[15] = new Image();  img[15].src = "/images/header/v_head_bt2_1_on.gif";
 img[16] = new Image();  img[16].src = "/images/header/v_head_bt2_2_off.gif";
 img[17] = new Image();  img[17].src = "/images/header/v_head_bt2_2_on.gif";
 img[18] = new Image();  img[18].src = "/images/header/v_head_bt2_3_off.gif";
 img[19] = new Image();  img[19].src = "/images/header/v_head_bt2_3_on.gif";
 img[20] = new Image();  img[20].src = "/images/header/v_head_bt2_4_off.gif";
 img[21] = new Image();  img[21].src = "/images/header/v_head_bt2_4_on.gif";
 img[22] = new Image();  img[22].src = "/images/header/v_head_bt2_5_off.gif";
 img[23] = new Image();  img[23].src = "/images/header/v_head_bt2_5_on.gif";
 img[24] = new Image();  img[24].src = "/images/header/v_head_bt2_6_off.gif";
 img[25] = new Image();  img[25].src = "/images/header/v_head_bt2_6_on.gif";
 img[26] = new Image();  img[26].src = "/images/header/v_head_bt2_7_off.gif";
 img[27] = new Image();  img[27].src = "/images/header/v_head_bt2_7_on.gif";
 img[28] = new Image();  img[28].src = "/images/header/v_head_bt2_8_off.gif";
 img[29] = new Image();  img[29].src = "/images/header/v_head_bt2_8_on.gif";


 img[41] = new Image();  img[41].src = "images/top/main_bt_map_off.gif";
 img[42] = new Image();  img[42].src = "images/top/main_bt_map_on.gif";
 img[43] = new Image();  img[43].src = "images/top/main_bt_area_off.gif";
 img[44] = new Image();  img[44].src = "images/top/main_bt_area_on.gif";
 img[45] = new Image();  img[45].src = "images/top/main_bt_line_off.gif";
 img[46] = new Image();  img[46].src = "images/top/main_bt_line_on.gif";
 img[47] = new Image();  img[47].src = "images/top/main_bt_apart_off.gif";
 img[47] = new Image();  img[47].src = "images/top/main_bt_apart_off.gif";
}

function change_image(nam,num) {
  if(navigator.appVersion.charAt(0) >= 3) {
    document.images[nam].src = img[num].src;
  }
}
function go_p(x,w,h){
  size="width="+w+",height="+h+",toolber=no,directories=0,location=no,status=no,menuber=no,scrollbars=auto";
  window.open(x,'window2',size);
}


// Submenu
function show(id) {
	if (document.getElementById) {
		var ele = document.getElementById(id);
		ele.style.visibility = (ele.style.visibility == "visible") ? "hidden": "visible";
	}
}