/*
-------------------
 individual.js
-------------------
*/


function applyCookie () {
	var id = "comments_form";
	var f = document.all && document.all(id) || document.getElementById && document.getElementById(id);
	f.email.value = getCookie("mtcmtmail");
	f.author.value = getCookie("mtcmtauth");
	f.url.value = getCookie("mtcmthome");
	if (getCookie("mtcmtauth")) {
		f.bakecookie[0].checked = true;
	} else {
		f.bakecookie[1].checked = true;
	}
}

// Copyright (c) 1996-1997 Athenia Associates.
// http://www.webreference.com/js/
// License is granted if and only if this entire
// copyright notice is included. By Tomer Shiran.

function setCookie (name, value, expires, path, domain, secure) {
    var curCookie = name + "=" +  (window.encodeURIComponent ? encodeURIComponent(value) : escape(value)) + (expires ? "; expires=" + expires.toGMTString() : "") + (path ? "; path=" + path : "") + (domain ? "; domain=" + domain : "") + (secure ? "secure" : "");
    document.cookie = curCookie;
}

function getCookie (name) {
    var prefix = name + '=';
    var c = document.cookie;
    var nullstring = '';
    var cookieStartIndex = c.indexOf(prefix);
    if (cookieStartIndex == -1)
        return nullstring;
    var cookieEndIndex = c.indexOf(";", cookieStartIndex + prefix.length);
    if (cookieEndIndex == -1)
        cookieEndIndex = c.length;
    var value = c.substring(cookieStartIndex + prefix.length, cookieEndIndex);
    return window.decodeURIComponent ? decodeURIComponent(value) : unescape(value);
}

function deleteCookie (name, path, domain) {
    if (getCookie(name))
        document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
}

function fixDate (date) {
    var base = new Date(0);
    var skew = base.getTime();
    if (skew > 0)
        date.setTime(date.getTime() - skew);
}

function rememberMe () {
    var now = new Date();
    fixDate(now);
    now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);

	var id = "comments_form";
	var f = document.all && document.all(id) || document.getElementById && document.getElementById(id);
    setCookie('mtcmtauth', f.author.value, now, '/', '', '');
    setCookie('mtcmtmail', f.email.value, now, '/', '', '');
    setCookie('mtcmthome', f.url.value, now, '/', '', '');

}

function forgetMe () {
    deleteCookie('mtcmtmail', '/', '');
    deleteCookie('mtcmthome', '/', '');
    deleteCookie('mtcmtauth', '/', '');

	var id = "comments_form";
	var f = document.all && document.all(id) || document.getElementById && document.getElementById(id);
	f.email.value = '';
	f.author.value = '';
	f.url.value = '';
}

// SetUp Handler
window.onload = function () {
	document.getElementById("remember").onclick       = function () {rememberMe();};
	document.getElementById("forget").onclick         = function () {forgetMe();};
	document.getElementById("comments_form").onsubmit = function () {
		if (document.getElementById("comments_form").bakecookie[0].checked) rememberMe();
	};
	document.getElementById("tb_url").onclick    = function () { document.getElementById("tb_url").select(); };
	document.getElementById("tb_url").onkeypress = function () { document.getElementById("tb_url").select(); };
	document.getElementById("tb_url").onfocus    = function () { document.getElementById("tb_url").select(); };
	//document.getElementById("tb_url").onblur     = function () { return true; };
}

// Smoothly Scroll ==========================================================

var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1;
var NN  = navigator.appName.indexOf("Netscape",0) != -1;
var GE  = navigator.userAgent.indexOf("Gecko") != -1;

function gotoTop(){
	// offset : その位置の左上端の座標
	var offset;
	if ( IE ){
		offset = document.body.scrollTop;
	} else {
		offset = window.pageYOffset;
	}
	movePosition(offset);
}

function movePosition(p){
	var pos = Math.floor( p * 0.7 );
	if ( pos > 0.1 ){
		window.scrollTo( 0, pos );
		setTimeout( "gotoTop()",50 );
	} else {
		window.scrollTo( 0,0 );
	}
}