///////////////////////////////////////////////////////////////////////
// Info: スライドショーを表示する。
///////////////////////////////////////////////////////////////////////

var fname = new Array("image_01","image_02","image_03","image_04","image_05");
var fname2 = new Array("image_06","image_07","image_08","image_09","image_10");
var id_num = 0;
var opa_point = 0;
var opa_cnt = 3;
var timer = 5;

// ブラウザ別による速度の調整
if (navigator.userAgent.indexOf("MSIE ") != -1) {
	var s = navigator.userAgent.indexOf("MSIE ",0) + 5;
	var e = navigator.userAgent.indexOf(";",s);
	var ver = eval(navigator.userAgent.substring(s,e));
	if(ver < 9)	opa_cnt = 6;															// IE9.0未満なら高速化
}

function fadein_slide() {
	var slide_end_flag = getCookie("slide_end");
	if(slide_end_flag == 1) return;
	
	var image_id = fname[id_num];
	var image = document.getElementById(image_id);
	image.style.visibility = "visible";
	document.getElementById(image_id).style.opacity = opa_point/100;					// Mozilla
	document.getElementById(image_id).style.filter = "alpha(opacity:"+opa_point+")";	// IE
	
	var image_id2 = fname2[id_num];
	var image2 = document.getElementById(image_id2);
	image2.style.visibility = "visible";
	document.getElementById(image_id2).style.opacity = opa_point/100;					// Mozilla
	document.getElementById(image_id2).style.filter = "alpha(opacity:"+opa_point+")";	// IE
	
	if (opa_point > 100) {
		id_num++;
		opa_point = 0;
	}
	
	opa_point += opa_cnt;
	if (fname.length > id_num && fname2.length > id_num)
		setTimeout("fadein_slide('"+image_id+"','"+image_id2+"',"+opa_point+")", timer);
	else setCookie("slide_end", 1);
}

function set_slide_image_top() {
	var slide_end_flag = getCookie("slide_end");
	
	if(slide_end_flag == 1) {
		document.write('<div class="slide_area"><a href="./img/top_image_01-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_01.jpg" width="150" height="80" alt="この写真を拡大します" name="image_01" id="image_01" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_02-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_02.jpg" width="150" height="80" alt="この写真を拡大します" name="image_02" id="image_02" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_03-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_03.jpg" width="150" height="80" alt="この写真を拡大します" name="image_03" id="image_03" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_04-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_04.jpg" width="150" height="80" alt="この写真を拡大します" name="image_04" id="image_04" /></a></div>',
		'<div class="slide_area"><img src="./img/atoz.jpg" width="150" height="80" alt="提案型企業を目指して" name="image_05" id="image_05" /></div>');
	} else {
		document.write('<div class="slide_area"><a href="./img/top_image_01-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_01.jpg" width="150" height="80" alt="この写真を拡大します" name="image_01" id="image_01" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_02-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_02.jpg" width="150" height="80" alt="この写真を拡大します" name="image_02" id="image_02" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_03-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_03.jpg" width="150" height="80" alt="この写真を拡大します" name="image_03" id="image_03" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_04-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_04.jpg" width="150" height="80" alt="この写真を拡大します" name="image_04" id="image_04" /></a></div>',
		'<div class="slide_area"><img class="slide" src="./img/atoz.jpg" width="150" height="80" alt="提案型企業を目指して" name="image_05" id="image_05" /></div>');
	}
}

function set_slide_image_bottom() {
	var slide_end_flag = getCookie("slide_end");
	
	if(slide_end_flag == 1) {
		document.write('<div class="slide_area"><img src="./img/iwamoto.jpg" width="150" height="80" alt="NCネットワーク" name="image_10" id="image_10" /></div>',
		'<div class="slide_area"><a href="./img/top_image_08-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_08.jpg" width="150" height="80" alt="この写真を拡大します" name="image_09" id="image_09" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_07-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_07.jpg" width="150" height="80" alt="この写真を拡大します" name="image_08" id="image_08" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_06-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_06.jpg" width="150" height="80" alt="この写真を拡大します" name="image_07" id="image_07" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_05-large.jpg" rel="ibox" title="この写真を拡大します"><img src="./img/top_image_05.jpg" width="150" height="80" alt="この写真を拡大します" name="image_06" id="image_06" /></a></div>');
	} else {
		document.write('<div class="slide_area"><img class="slide" src="./img/iwamoto.jpg" width="150" height="80" alt="NCネットワーク" name="image_10" id="image_10" /></div>',
		'<div class="slide_area"><a href="./img/top_image_08-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_08.jpg" width="150" height="80" alt="この写真を拡大します" name="image_09" id="image_09" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_07-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_07.jpg" width="150" height="80" alt="この写真を拡大します" name="image_08" id="image_08" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_06-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_06.jpg" width="150" height="80" alt="この写真を拡大します" name="image_07" id="image_07" /></a></div>',
		'<div class="slide_area"><a href="./img/top_image_05-large.jpg" rel="ibox" title="この写真を拡大します"><img class="slide" src="./img/top_image_05.jpg" width="150" height="80" alt="この写真を拡大します" name="image_06" id="image_06" /></a></div>');
	}
}