function homeImgBtn(num) {
	if (num == 01) {
		document.getElementById('homeImg_default').style.display = 'none';
		document.getElementById('homeImg_planning').style.display = 'block';
		document.getElementById('homeImg_web').style.display = 'none';
		document.getElementById('homeImg_publish').style.display = 'none';
		document.getElementById('homeImg_promotion').style.display = 'none';
		document.getElementById('homeImgNav_planning').style.backgroundPosition = '0 -80px';
		document.getElementById('homeImgNav_web').style.backgroundPosition = '-85px -160px';
		document.getElementById('homeImgNav_publish').style.backgroundPosition = '-170px -160px';
		document.getElementById('homeImgNav_promotion').style.backgroundPosition = '-255px -160px';
	}else if (num == 02) {
		document.getElementById('homeImg_default').style.display = 'none';
		document.getElementById('homeImg_planning').style.display = 'none';
		document.getElementById('homeImg_web').style.display = 'block';
		document.getElementById('homeImg_publish').style.display = 'none';
		document.getElementById('homeImg_promotion').style.display = 'none';
		document.getElementById('homeImgNav_planning').style.backgroundPosition = '0 -160px';
		document.getElementById('homeImgNav_web').style.backgroundPosition = '-85px -80px';
		document.getElementById('homeImgNav_publish').style.backgroundPosition = '-170px -160px';
		document.getElementById('homeImgNav_promotion').style.backgroundPosition = '-255px -160px';
	}else if (num == 03) {
		document.getElementById('homeImg_default').style.display = 'none';
		document.getElementById('homeImg_planning').style.display = 'none';
		document.getElementById('homeImg_web').style.display = 'none';
		document.getElementById('homeImg_publish').style.display = 'block';
		document.getElementById('homeImg_promotion').style.display = 'none';
		document.getElementById('homeImgNav_planning').style.backgroundPosition = '0 -160px';
		document.getElementById('homeImgNav_web').style.backgroundPosition = '-85px -160px';
		document.getElementById('homeImgNav_publish').style.backgroundPosition = '-170px -80px';
		document.getElementById('homeImgNav_promotion').style.backgroundPosition = '-255px -160px';
	}else if (num == 04) {
		document.getElementById('homeImg_default').style.display = 'none';
		document.getElementById('homeImg_planning').style.display = 'none';
		document.getElementById('homeImg_web').style.display = 'none';
		document.getElementById('homeImg_publish').style.display = 'none';
		document.getElementById('homeImg_promotion').style.display = 'block';
		document.getElementById('homeImgNav_planning').style.backgroundPosition = '0 -160px';
		document.getElementById('homeImgNav_web').style.backgroundPosition = '-85px -160px';
		document.getElementById('homeImgNav_publish').style.backgroundPosition = '-170px -160px';
		document.getElementById('homeImgNav_promotion').style.backgroundPosition = '-255px -80px';
	}else if (num == 00) {
		document.getElementById('homeImg_default').style.display = 'block';
		document.getElementById('homeImg_planning').style.display = 'none';
		document.getElementById('homeImg_web').style.display = 'none';
		document.getElementById('homeImg_publish').style.display = 'none';
		document.getElementById('homeImg_promotion').style.display = 'none';
		document.getElementById('homeImgNav_planning').style.backgroundPosition = '0 -80px';
		document.getElementById('homeImgNav_web').style.backgroundPosition = '-85px -80px';
		document.getElementById('homeImgNav_publish').style.backgroundPosition = '-170px -80px';
		document.getElementById('homeImgNav_promotion').style.backgroundPosition = '-255px -80px';
	}else{}
}