// JavaScript Document
function rollover(tar){
	//case target is image
	if(!tar.tagName) return;
	if(tar.tagName.toUpperCase() == "IMG"){
		tar.src = tar.src.replace(/\.off\./g, ".on.");
	}
	//case target is image
	else{
		tar.childNodes[0].src = tar.childNodes[0].src.replace(/\.off\./g, ".on.");
	}
}
function rollout(tar){
	//case target is image
	if(!tar.tagName) return;
	if(tar.tagName.toUpperCase() == "IMG"){
		tar.src = tar.src.replace(/\.on\./g, ".off.");
	}
	//case target is image
	else{
		tar.childNodes[0].src = tar.childNodes[0].src.replace(/\.on\./g, ".off.");
	}
}


// JavaScript Document
var setedPreLi = null;
var setedPreImg = null;
var setedNaviOri = false;

var objNaviOri = null;
function rollovernavi(tar){
	

	//find original selected object
	iparentTar = tar.parentNode.parentNode;

	if(!setedNaviOri){
		for(var i=0; i<iparentTar.childNodes.length ; i++){
			itar = iparentTar.childNodes[i];
			if(!itar.tagName) continue;
			if(itar.className == "selected"){
				setedPreLi = itar;
				if(itar.childNodes[0].tagName)
					setedPreImg = itar.childNodes[0].childNodes[0];
				else
					setedPreImg = itar.childNodes[1].childNodes[1];
				break;
			}
		}
		setedNaviOri = true;
		setedPreLi = setedPreImg;
	}

	//rollback prev object

	if(tar.childNodes[0].tagName)
		iparentTar = tar.childNodes[0];
	else
		iparentTar = tar.childNodes[1];

	//iparentTar = tar;
	if(setedPreLi){
//		setedPreLi.parentNode.style.backgroundPosition = "0 top";
		setedPreLi.style.top = "0";
		
		ccount = 0;
		while(setedPreLi.parentNode.parentNode.childNodes[ccount].className != "subpop_navi"){
			if(ccount++ > 50) return;
		}
		setedPreLi.parentNode.parentNode.childNodes[ccount].style.top = "-1000px";
	}


	//if(setedPreLi) setedPreLi.className = "";


//	iparentTar.className = "selected";
	iparentTar.style.top = "-23px";
	ccount = 0;
	while(iparentTar.parentNode.parentNode.childNodes[ccount].className != "subpop_navi"){
		if(ccount++ > 50) return;
	}
	iparentTar.parentNode.parentNode.childNodes[ccount].style.top = "36px";

//	rollover(tar);
	
	//save prev object
	setedPreLi = iparentTar;
//	setedPreImg = tar;
	
	//case target is image
	//tar.childNodes[0].src = tar.childNodes[0].src.replace(/\.off\./g, ".on.");
}
function rolloutnavi(tar){
	return;
	rollovernavi(objNaviOri)
}







/*

ÇØ´ç À̸§ + num ÀÇ ºñÁöºíÀ» ²ö´Ù

*/
function changeTap(tapName, nowSelectedTap){
	changeTaps(tapName+"s", nowSelectedTap);
	
	var count=0;
	while(true){
		count++;
		tar = document.getElementById(tapName+count);
		tarTitle = document.getElementById(tapName+count+"_title");
		if(!tar) break;

		tar.style.display = (count==nowSelectedTap)? "block":"none";
		if(tarTitle)
			tarTitle.style.display = "none";
	}
}

/*

ÀڽĿä¼ÒÀÇ Å¬·¡½º ¸íÀ» selected ·Î ¼³Á¤

*/
function changeTaps(tapName, nowSelectedTap){
	var count=0;
	tar = document.getElementById(tapName);
	for(var i=0; i<tar.childNodes.length ; i++){
		if(tar.childNodes[i].tagName){
			tar.childNodes[i].className = (count==nowSelectedTap-1)? "selected":"";
			count++;
		}
	}
}






function countDay(date) {
	today = new Date();
	d_day = new Date(date);
	return Math.ceil((d_day-today)/24/60/60/1000);
}