/* Javascript for StyleSheet v1.0 */
/* Copyright(C) ASH (http://ash.jp/) */

/* 外部スタイルシート（ルール）の取得 */
function getAllStyleRule() {
	var styleSheets = document.styleSheets;
	var str = '';

	for (var i = 0; i < styleSheets.length; i++) {
		var styleSheet = styleSheets[i];
		var rules = styleSheet.rules || styleSheet.cssRules;
		str += "[" + styleSheet.href + "]\n";

		for (var j = 0; j < rules.length; j++) {
			var rule = rules[j];
			str += rule.selectorText + " {\n";
			str += rule.style.cssText + "\n";
			str += "}\n";
		}
	}

	return(str);
}

/* 各タグのスタイル属性、クラス属性、ID属性の取得 */
function getAllStyle() {
	var isMSIE = /*@cc_on!@*/false;

	var body = document.getElementsByTagName('body')[0];
	if (body == null) { return; }

	return(getChild(body));

	function getChild(obj) {
		var str = '';
		var val = '';
		var nodes = obj.childNodes;
		if (nodes) {
			for (var i = 0; i < nodes.length; i++) {
				node = nodes[i];
				if (node.nodeType != 1) { continue; }

				// get element name
				str += "[" + node.nodeName + "]\n";

				// get style attribute
				if (isMSIE) { // for IE8, IE7, IE6, Sleipnir
					val = node.style.cssText;
				} else { // for IE8, FireFox, Opera, Safari, Crome, Sleipnir
					val = node.getAttribute('style');
				}
				if (val) {
					str += "style = \"" + val + "\"\n";
				}

				// get class attribute
				val = node.getAttribute('class') || node.getAttribute('className');
				if (val) {
					str += "class = \"" + val + "\"\n";
				}

				// get id attribute
				val = node.id;
				if (val) {
					str += "id = \"" + val + "\"\n";
				}

				if (node.hasChildNodes()) {
					str += getChild(node);
				}
			}
		}
		return(str);
	}
}

/* スタイルの追加（変更） */
function addStyleRule(selector, declaration) {
	var isMSIE = /*@cc_on!@*/false;
	var sheet;

	if (document.styleSheets.length) {	// 最後のスタイルシートを取得
		sheet = document.styleSheets[document.styleSheets.length - 1];

	} else {	// StyleSheetがない場合、StyleSheetを作成
		if (isMSIE) {	// for IE8, Sleipnir
			sheet = document.createStyleSheet();

		} else {	// for FireFox, Opera, Safari, Crome
			var head = document.getElementsByTagName('head')[0];
			if (head == null) { return; }
			var style = document.createElement('style');
			head.appendChild(style);
			sheet = style.sheet;
		}
	}

	if (isMSIE) {	// for IE8, Sleipnir
		sheet.addRule(selector, declaration);
	} else {	// for FireFox, Opera, Safari, Crome
		sheet.insertRule(selector + '{' + declaration + '}', sheet.cssRules.length);
	}
}