///// ZonnInOut //////////////////////////////////////////////////////////////////////////////	
	var nowZoom = 100; // ÇöÀçºñÀ²
	var maxZoom = 200; // ÃÖ´ëºñÀ²
	var minZoom = 100; // ÃÖ¼ÒºñÀ²(ÇöÀç¿Í °°¾Æ¾ß ÇÔ)

	// +, - Å°¸¦ ÀÔ·ÂÇϸé È­¸é È®´ë, Ãà¼Ò¸¦ ÇÑ´Ù.
	document.onkeypress = getKey;

	function getKey(keyStroke) {
		isNetscape = (document.layers);
		eventChooser = (isNetscape) ? keyStroke.which : event.keyCode;
		which = String.fromCharCode(eventChooser).toLowerCase();
		which2 = eventChooser;

		var el = event.srcElement;

		if ((el.tagName != "INPUT") && (el.tagName != "TEXTAREA")) {
			if (which == "+") {
				zoomIn();
			} else if (which == "-") {
				zoomOut();
			}
		}
	}

        //È­¸é Å°¿î´Ù.
	function zoomIn() {
		if (nowZoom < maxZoom) {
			nowZoom += 25; // 25%¾¿ Ä¿Áø´Ù.
		} else {
			return;
		}
		if(navigator.appName != "Microsoft Internet Explorer"){
			alert('Microsoft Internet Explorer¿¡¼­¸¸ Áö¿øÇÏ´Â ±â´ÉÀÔ´Ï´Ù.');
		}


		document.body.style.zoom = nowZoom + "%";
	}
	
	//È­¸é ÁÙÀδÙ.
	function zoomOut() {
		if (nowZoom > minZoom) {
			nowZoom -= 25; // 25%¾¿ ÀÛ¾ÆÁø´Ù.
		} else {
			return;
		}
		if(navigator.appName != "Microsoft Internet Explorer"){
			alert('Microsoft Internet Explorer¿¡¼­¸¸ Áö¿øÇÏ´Â ±â´ÉÀÔ´Ï´Ù.');
		}

		document.body.style.zoom = nowZoom + "%";
	}