function getQueryStringArray(){
	var queryString = new Array;
	if(location.search.length > 1){
		var ary = location.search.substr(1).split("&");
		for(index in ary){
			queryString.push(ary[index].split("="));
		}
	}
	return queryString;
}

function isIE(){
	if(navigator.userAgent.toLowerCase().indexOf("msie") >= 0){
		return true;
	}
	return false;
}

function getSkyLink(){
	var date = new Date();
	var m = date.getMonth() + 1;
	var link = '';
	switch(m){
		case 3:
		case 4:
		case 5:
			link = 'spring01.html';
			break;
		case 6:
		case 7:
		case 8:
			link = 'summer01.html';
			break;
		case 9:
		case 10:
		case 11:
			link = 'autumn01.html';
			break;
		case 12:
		case 1:
		case 2:
			link = 'winter01.html';
			break;
	}
	return link;
}

function getFileName(extension){
	var fileName = location.href;
	fileName = fileName.substring(fileName.lastIndexOf("/") + 1, fileName.length);
	if(!extension){
		fileName = fileName.substring(0, fileName.indexOf("."));
	}
	return fileName;
}