function co (id) {
    click = document.getElementById(id);
    if (click.className == "")
        click.className = "out";
    else
        click.className = "";
}

var i = 0;
var path = 'http://' + document.domain + '/exe/';
var css = get_cookie.call(this);

if(css){change_css.call(this,path,css,i);}

function write_form()
{
	// CSSファイル名
	var css_a = new Array('exe6','exe6_b');
	
	// セレクトボックス表示
	var css_n = new Array('R.E.D','BlueS');
	
	var css = get_cookie.call(this);
	
	if(!css){css = css_a[0];}
	document.write('	<select name="css_s" style="width:60px;font-family:Arial;"');
	document.write('onchange="set_cookie(this.options[this.selectedIndex].value);">');
	
	var css_v = '';
	var selected = '';
	
	for(i in css_a)
	{
		css_v = css_a[i];
		css_o = css_n[i];
		
		if(css_v == css){selected = ' selected="selected"';}
		else{selected = '';}
		
		document.write('	<option value="' + css_v + '"' + selected + '>');
		document.write(css_o + '</option>');
	}
	
	document.write('	</select>');
	document.write('</form>');
}

function change_css(path,css,i)
{
	if(document.all)
	{
		document.all.tags('link').item(i).href = path + css + '.css';
	}
	else if(document.getElementsByTagName)
	{
		document.getElementsByTagName('link').item(i).href = path + css + '.css';
	}
}

function get_cookie()
{
	var cookie = document.cookie;
	var css = '';
	
	if(cookie)
	{
		var value1 = cookie.split(';');
		var value2 = value1[0].split('=');
		
		css = value2[1];
	}

	return css;
}

function set_cookie(css)
{
	var cookie = 'css=' + css + ";";
	
	cookie += 'expires=Thu,1-Jan-2030 00:00:00 GMT;';
	cookie += 'path=/;';
	
	//cookie += 'domain=act.st; secure';
	
	document.cookie = cookie;
	
	location.reload();
}