// //there are functions depending on takumi osada's script.
/**
 * common.js
 *
 * @version    1.10
 * @updated    2009-08-05
 * @author     takumi osada <http://groovy-times.com>
 * @copyright  Copyright (c) 2009 GROOVY-TIMES
 * @license    MIT License <http://www.opensource.org/licenses/mit-license.php>
 *
 * @see        http://book.mycom.co.jp/book/978-4-8399-2237-5/978-4-8399-2237-5.shtml
 */ 

/* -----------------------------------------------------------------------*/
// addClass
/* -----------------------------------------------------------------------*/
function addClass(element,value) {
	if(!element.className) {
		element.className = value;
	} else {
		newClassName = element.className;
		newClassName += ' ';
		newClassName += value;
		element.className = newClassName;
	}
}

/* -----------------------------------------------------------------------*/
// addLoadEvent
/* -----------------------------------------------------------------------*/
function addLoadEvent(func) {
	var oldonload = window.onload;
	if(typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

/**
 * linkBox.js
 *
 * @version    1.03
 * @updated    2009-08-05
 * @author     takumi osada <http://groovy-times.com>
 * @copyright  Copyright (c) 2009 GROOVY-TIMES
 * @license    MIT License <http://www.opensource.org/licenses/mit-license.php>
 *
 * @requires   addLoadEvent, addClass
 */ 
 
/* -----------------------------------------------------------------------*/
// linkBox
/* -----------------------------------------------------------------------*/
function linkBox() {
	if(!document.getElementsByTagName) return false;

	// SETUP ///////////////////////////////////////////////

	/* 対象BOXのclass名を指定（初期値：linkBox01, linkBox02） */
	var linkBoxClass = new RegExp(/^(.+\s)?(linkBox01|linkBox02)(\s.+)?$/);
	
	/* オーバー時のclass名を指定 */
	var over = 'linkBoxOver';
	
	////////////////////////////////////////////////////////

	var divs = document.getElementsByTagName('div');
	var tempClass;
	
	for (var i=0; i<divs.length; i++) {
		if(divs[i].className.match(linkBoxClass)) {
			var linkNone = divs[i].getElementsByTagName('a').item(0);
			divs[i].onmouseover = function() {
				var links = this.getElementsByTagName('a').item(0);
				tempClass = this.className;
				if(links) {
					addClass(this, over);
				}
			}
			divs[i].onmouseout = function() {
				this.className = tempClass;
			}
			linkNone.onclick = function() {
				return false;
			}
			divs[i].onclick = function() {
				var links = this.getElementsByTagName('a').item(0);
				if(links) {
					var ref = links.getAttribute('href');
					location.href = ref;
				}
			}
		}
	}
}

/* -----------------------------------------------------------------------*/
// addLoadEvent
/* -----------------------------------------------------------------------*/
addLoadEvent(linkBox);