// JavaScript Document

/**
*
*	メニューセレクト
*
*/
function selectMenu(id)
{
	
	if(_$(id)) {
		_$(id).className = 'selected';
	}
	//サイズ補正
	if(_$('detail')) {
		var detail_height = _$('detail').offsetHeight;
		var body_height = document.getElementsByTagName('body').item(0).offsetHeight;
		
		if(body_height < detail_height) {
			document.getElementsByTagName('body').item(0).style.height = detail_height + 'px';
			_$('menu').style.height = detail_height + 'px';
			_$('menu_content').style.top = ( body_height / 2) + 'px';
			_$('footer').style.top = (detail_height-20) + 'px';
		} else {
			_$('detail').style.height = body_height + 'px';
			_$('detail').style.padding = '0px';
		}
		document.getElementsByTagName('body').item(0).style.visibility = 'visible';
	}
	
	
}

function _$(id)
{
	return document.getElementById(id);
}