window.onload = function(){
	saveId = false;
	changeContent('artistNavi01');
//	changeContent('infoNavi01');
//	changeCategory('info');

setTimeout( 'changeContent(\'infoNavi01\')', 100);
setTimeout( 'changeCategory(\'info\')', 100);
}
//
function changeContent(cntsId){
	if(document.getElementById(cntsId)){
		if(cntsId.indexOf('info') >= 0) fundCntElement = document.getElementById('information_content').getElementsByTagName("div");
		else if(cntsId.indexOf('artist') >= 0) fundCntElement = document.getElementById('artist_content').getElementsByTagName("div");
		else fundCntElement=document.getElementsByTagName("div");
		for (var i in  fundCntElement){
			idName = fundCntElement[i].id;
			if(idName && idName.indexOf('info')>=0){
				document.getElementById(idName.replace("Navi", "Cnt")).style.display = 'none';
			}
			if(idName && idName.indexOf('artist')>=0){
				document.getElementById(idName.replace("Navi", "Cnt")).style.display = 'none';
			}
		}
		document.getElementById(cntsId.replace("Navi", "Cnt")).style.display = 'block';
		setStatus(cntsId);
	}
}
//
function changeCategory(ctgryName){
	if(document.getElementById('information_content') && document.getElementById('artist_content')){
		document.getElementById('information_content').style.display = 'none';
		document.getElementById('artist_content').style.display = 'none';
		if(ctgryName && ctgryName == 'artist'){
			changeContent('artistNavi01');
			document.getElementById('artist_content').style.display = 'block';
		}else if(ctgryName && ctgryName == 'info'){
			changeContent('infoNavi01');
			document.getElementById('information_content').style.display = 'block';
		}
	}
}
//Stay
function setStatus(cntsId){
	if(document.getElementById(cntsId)){
		if(saveId){
			saveHTML = document.getElementById(saveId);
			saveHTML.getElementsByTagName('img').item(0).src = '/_common/img/arrow/w_arrow.gif';
			saveHTML = '<a href="javascript:void(0)" onMouseUp="changeContent(parentNode.id)\;">' + saveHTML.innerHTML + '</a>';
			document.getElementById(saveId).innerHTML = saveHTML;
		}
		saveId = cntsId;
		elementHTML = document.getElementById(cntsId);
		elementHTML.getElementsByTagName('img').item(0).src = '/_common/img/arrow/g_arrow.gif';
		document.getElementById(cntsId).innerHTML = elementHTML.getElementsByTagName('a').item(0).innerHTML;
	}
}