///////////////////////////////////////////////////////////////////////////
// top page random image functions.
///////////////////////////////////////////////////////////////////////////
/// const values.
var TOP_MAIN_IMAGE_PREFIX = "TopMainImg";
var TOP_USER_IMAGE_PREFIX = "TopUserImg";

function DrawHomeMainImages(outer) {
	var readtext = IMAGE_DIR + "/home_main_images.csv";
	var elm = ixElm(outer);
	ixAjaxRequest(readtext, CallbackDrawHomeMainImages, "", [elm]);
}
function CallbackDrawHomeMainImages(ajax, elm) {
	/// setting value.
	var iniMain = "MainImage";
	var iniUser = "UserImage";
	var imgdir = IMAGE_DIR + "/";

	//* get image text. 
	var i;
	var readtext = ixTrim(ajax.responseText);
	var readtexts = readtext.split("\n");
	var imgs = new Array();
	var label = "";
	for (i = 0; i < readtexts.length; i++) {
		var s = ixTrim(readtexts[i]).replace(/,{2,}/, "");
		if (ixIsNull(s)) continue;
		if (s == "[" + iniMain + "]") {
			label = iniMain;
			imgs[label] = new Array(0);
			continue;
		} else if (s == "[" + iniUser + "]") {
			label = iniUser;
			imgs[label] = new Array(0);
			continue;
		}
		var texts = s.split(",");
		imgs[label].push(new Array(ixTrim(texts[0]), ixTrim(texts[1]), ixTrim(texts[2])));
	}
	//* select image.
	var nMain = ixMathRundomInt(0, imgs[iniMain].length - 1);
	var nUsers = new Array(0);
	for (i = 0; i < imgs[iniUser].length; i++)
		nUsers.push(i);
	nUsers = ixMathShuffle(nUsers, 12);
	//* create tag.
	var url = IMAGE_DIR + "/";
	var html = "";
	var tag = "";
	//* create main image
	tag = ixCreateTag(
			"img", "", "", "", "",
			{ "src": url + imgs[iniMain][nMain][0], "alt": imgs[iniMain][nMain][2] }, false);
	html += ixCreateTag(
			"a", "", "", tag, "",
			{ "href": imgs[iniMain][nMain][1], "title": imgs[iniMain][nMain][2] }, false);

	for (i = 0; i < 12; i++) {
		tag = ixCreateTag(
			"img", "", "", "", "",
			{ "src": url + imgs[iniUser][nUsers[i]][0], "alt": imgs[iniUser][nUsers[i]][2] }, false);
		html += ixCreateTag(
			"a", "", "", tag, "",
			{ "href": imgs[iniUser][nUsers[i]][1], "title": imgs[iniUser][nUsers[i]][2] }, false);
	}
	elm.innerHTML = html;
}

/*
/// random image functions.
function TopRandomImage(outer) {
/// setting value.
var readtext = IMAGE_DIR + "/home_main_images.csv";
var waitImg = IMAGE_DIR + "/icon_circle_ball_green.gif";
var bgImg = IMAGE_DIR + "/top_main_back{0}.jpg";
// end setting values.
var h = "";
var t = ixCreateTag("img", TOP_MAIN_IMAGE_PREFIX, TOP_MAIN_IMAGE_PREFIX, "", null, { "src": waitImg }, false, true);
h = ixCreateTag("td", "", "", t);
h = ixCreateTag("tr", "", "", h);
h = ixCreateTag("table", TOP_MAIN_IMAGE_PREFIX + "Container", "", h, "", { "border": "0", "cellspacing": "0", "cellpadding": "0" });
	
t = "";
for (var i = 0; i < 2; i++) {
var td = ""; 
for(var j = 0; j < 6; j++) {
var imgtag =
ixCreateTag("img", TOP_USER_IMAGE_PREFIX + ((i * 6) + j + 1), "", "", null, { "src": waitImg }, false, true);
td += ixCreateTag("td", "", "", imgtag, "", "", false);
}
t += ixCreateTag("tr", "", "", td);
}
t = ixCreateTag("table", TOP_USER_IMAGE_PREFIX, "", t, "", { "border": "0", "cellspacing": "1", "cellpadding": "0" });
	
var bg = bgImg.replace(/\{0\}/, ixMathRundomInt(1, 5));
h += ixCreateTag("div", TOP_USER_IMAGE_PREFIX + "Container", TOP_USER_IMAGE_PREFIX + "Container", t, { "background-image": "url(" + bg + ")" });
outer = ixElm(outer);
outer.innerHTML = h;

ixAjaxRequest(readtext,
TopCallbackSuccessfulRandomImage, TopCallbackfailedRandomImage, [outer]);
}
function TopCallbackSuccessfulRandomImage(ajax, elm) {
/// setting value.
var iniMain = "MainImage";
var iniUser = "UserImage";
var imgdir = IMAGE_DIR + "/";
	
var i;
var readtext = ixTrim(ajax.responseText);
var readtexts = readtext.split("\n");
var imgs = new Array();
var label = "";
for (i = 0; i < readtexts.length; i++) {
var s = ixTrim(readtexts[i]).replace(/,{2,}/, "");
if (ixIsNull(s)) continue;
if (s == "[" + iniMain + "]") {
label = iniMain;
imgs[label] = new Array(0);
continue;
} else if (s == "[" + iniUser + "]") {
label = iniUser;
imgs[label] = new Array(0);
continue;
}
var texts = s.split(",");
imgs[label].push(new Array(ixTrim(texts[0]), ixTrim(texts[1]), ixTrim(texts[2])));
}

var nMain = ixMathRundomInt(0, imgs[iniMain].length - 1);
var nUsers = new Array(0);
for (i = 0; i < imgs[iniUser].length; i++)
nUsers.push(i);
nUsers = ixMathShuffle(nUsers, 12);

var pnt;
var eMain = ixElm(TOP_MAIN_IMAGE_PREFIX);
eMain.src = imgdir + imgs[iniMain][nMain][0];
eMain.alt = imgs[iniMain][nMain][2];
eMain.title = imgs[iniMain][nMain][2];
pnt = eMain.parentNode;
pnt.innerHTML =
ixCreateTag("a", "", "", pnt.innerHTML, "", { "href": imgs[iniMain][nMain][1] }, false);
for (i = 0; i < 12; i++) {
var eUser = ixElmId(TOP_USER_IMAGE_PREFIX + (i + 1));
eUser.src = imgdir + imgs[iniUser][nUsers[i]][0];
eUser.alt = imgs[iniUser][nUsers[i]][2];
eUser.title = imgs[iniUser][nUsers[i]][2];
pnt = eUser.parentNode;
pnt.innerHTML =
ixCreateTag("a", "", "", pnt.innerHTML, "", { "href": imgs[iniUser][nUsers[i]][1] }, false);
}
}
function TopCallbackfailedRandomImage(ajax, elm) {}
*/