/* クッキー */
function class_cookielib(){
	this.getCookie = getCookie;
	this.setCookie = setCookie;
	this.removeCookie = removeCookie;
	
	var expireDate = new Date();
	expireDate.setFullYear(expireDate.getFullYear()+1);
	expireStr = "expires=" + expireDate.toUTCString();

	function getCookie(name){
		var gc=name+"=";
		var Cookie=document.cookie;
		if (Cookie.length>0) {
			var start=Cookie.indexOf(gc);
			if (start!=-1) {
				start+=gc.length;
				terminus=Cookie.indexOf(";",start);
				if (terminus==-1) terminus=Cookie.length;
				return unescape(Cookie.substring(start,terminus));
			}
		}
		return '';
	}
	function setCookie() {
		var key = arguments[0];
		var val = arguments[1];
		var path = (typeof(arguments[2]) != 'undefined' ? arguments[2] : '/');
		var exp = (typeof(arguments[3]) != 'undefined' ? arguments[3] : expireStr);
		var sc = key + "=" + escape(val) + "; path=" + path + "; " + exp;
		document.cookie = sc;
	}
	function removeCookie(key,path) {
		if(!path){
			path = '/';
		}
		var rc = key + "=; path=" + path + "; expires=Thu, 1 Jan 1970 00:00:00 UTC";
		document.cookie = rc;
	}
}
var cookieObj = new class_cookielib();

function onresize_handler(){
	if(document.layers){
		window.location.reload();
	}
}
window.onresize = onresize_handler;

/* テキストサイズの変更 */
var txtsize_val = 1;
var txtsize_css_size = new Array();
txtsize_css_size[0] = 'xx-small';
txtsize_css_size[1] = 'x-small';
txtsize_css_size[2] = 'medium';
txtsize_css_size[3] = 'large';
txtsize_css_size[4] = 'x-large';
function setTextSize(){
	if(cookieObj.getCookie('txtsize') != ''){
		txtsize_val = 1 * cookieObj.getCookie('txtsize');
	}
	document.write('<style type="text/css">');
	document.write('* body, * th, * td { font-size:' + txtsize_css_size[txtsize_val] + '; }');
	document.write('</style>');
}
function changeTextSize(num){
	var fl_update = false;
	var tmp_val = txtsize_val + num;
	if(tmp_val >= 0 && tmp_val < txtsize_css_size.length){
		txtsize_val = tmp_val;
		fl_update = true;
	}
	if(fl_update){
		cookieObj.setCookie('txtsize',txtsize_val,'/','');
		window.location.reload();
	}
}
function outputTextSizeCtrl(){/*以下ボタン部分HTML出力用*/

	if(document.layers){
		return;
	}
	if(txtsize_val < txtsize_css_size.length - 1){/*大きくなるボタン*/
		document.write('<td><a href="javascript:;" onMouseOver="MM_swapImage(\'hBig\',\'\',\'http://www.obs-okato.co.jp/images/common/bt_big.gif\',1)" onMouseOut="MM_swapImgRestore()" onclick="changeTextSize(1);return false;" onkeypress="changeTextSize(1);return false;"><img src="http://www.obs-okato.co.jp/images/common/bt_big.gif" alt="大" name="hBig" width="19" height="18" border="0" id="hBig"></a></td>');
	}
	else{/*大きくなるボタン限界*/
		document.write('<td><img src="http://www.obs-okato.co.jp/images/common/bt_big_on.gif" alt="大" name="hBig" width="19" height="18" border="0" id="hBig"></td>');
	}
	document.write('<td><img src="http://www.obs-okato.co.jp/images/common/i_fs_bg.gif" alt="" width="4" height="18"></td>');
	if(txtsize_val != 0){/*小さくなるボタン*/
		document.write('<td><a href="javascript:;" onMouseOver="MM_swapImage(\'hSmall\',\'\',\'http://www.obs-okato.co.jp/images/common/bt_small.gif\',1)" onMouseOut="MM_swapImgRestore()" onclick="changeTextSize(-1);return false;" onkeypress="changeTextSize(-1);return false;"><img src="http://www.obs-okato.co.jp/images/common/bt_small.gif" alt="小" name="hSmall" width="19" height="18" border="0" id="hSmall"></a></td>');
	}
	else{/*小さくなるボタン限界*/
		document.write('<td><img src="http://www.obs-okato.co.jp/images/common/bt_small_on.gif" alt="小" name="hSmall" width="19" height="18" border="0" id="hSmall" class="marginleft5right5"></td>');
	}
}

function RunIndex(){
	 document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="750" height="300">\n');
  document.write('<param name="movie" value="images/index/top.swf">\n');
  document.write('<param name="quality" value="high">\n');
  document.write('<embed src="images/index/top.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="750" height="300"></embed>\n');
	 document.write('</object>\n');
}