//<![CDATA[
function initMoving(target, position, topLimit, btmLimit) {
	if (!target)
		return false;

	var obj = target;
	obj.initTop = position;
	obj.topLimit = topLimit;
	obj.bottomLimit = Math.max(document.documentElement.scrollHeight, document.body.scrollHeight) - btmLimit - obj.offsetHeight;

	obj.style.position = "absolute";
	obj.top = obj.initTop;
	obj.left = obj.initLeft;

	if (typeof(window.pageYOffset) == "number") {	//WebKit
		obj.getTop = function() {
			return window.pageYOffset;
		}
	} else if (typeof(document.documentElement.scrollTop) == "number") {
		obj.getTop = function() {
			return Math.max(document.documentElement.scrollTop, document.body.scrollTop);
		}
	} else {
		obj.getTop = function() {
			return 0;
		}
	}

	if (self.innerHeight) {	//WebKit
		obj.getHeight = function() {
			return self.innerHeight;
		}
	} else if(document.documentElement.clientHeight) {
		obj.getHeight = function() {
			return document.documentElement.clientHeight;
		}
	} else {
		obj.getHeight = function() {
			return 500;
		}
	}

	obj.move = setInterval(function() {
		if (obj.initTop > 0) {
			pos = obj.getTop() + obj.initTop;
		} else {
			pos = obj.getTop() + obj.getHeight() + obj.initTop;
			//pos = obj.getTop() + obj.getHeight() / 2 - 15;
		}

		if (pos > obj.bottomLimit)
			pos = obj.bottomLimit;
		if (pos < obj.topLimit)
			pos = obj.topLimit;

		interval = obj.top - pos;
		obj.top = obj.top - interval / 8;
		obj.style.top = obj.top + "px";
	}, 30)
}

/*******************************************			
				Cookie Set
	*******************************************/
	var Cookie = {
		getCookie : function(name) {
			var Found = 0, start, end, i =0;
			while(i <= document.cookie.length) { 
				start = i;
				end = start + name.length;				
				if(document.cookie.substring(start,end) == name) {					
					Found = 1;
					break;
				}
				i++;
			}
			if(Found == 1) {
				start = end+1;
				end = document.cookie.indexOf(';', start);			
				if(end < start) end= document.cookie.length;
				return document.cookie.substring(start,end)				
			}
			return false
		},
		setCookie : function(name, value, expire) {
			var expire_date = new Date();
			var day = 24 * expire;
			expire_date = new Date(expire_date.getTime() + 60*60*day*1000);
			if(expire == null) document.cookie = name + "=" + escape(value) + "; path=/";
			else	document.cookie = name + "=" + escape(value) + "; expires=" + expire_date.toGMTString() +"; path=/";
		},			
		clearCookie : function(name){
			var expire_date = new Date();
			//¾îÁ¦ ³¯Â¥¸¦ ÄíÅ° ¼Ò¸ê ³¯Â¥·Î ¼³Á¤ÇÑ´Ù.
			expire_date = new Date(expire_date.getTime() - 60*60*24*1000)
			document.cookie = name + "= " + "; expires=" + expire_date.toGMTString();
		}		
	}
//]]>