var caution = false

//Cookie 에서 값 가져오는 function
function getCookie(name) 
{
	var prefix = name + "=" ;
	var cookieStartIndex = document.cookie.indexOf(prefix) ;
	if (cookieStartIndex == -1)
	{
		return null;
	}
	var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
	if (cookieEndIndex == -1)
	{
		cookieEndIndex = document.cookie.length;
	}
	return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}

//Cookie 에 값 집어넣는 function
//name 과 value 만 필수이고 나머지는 선택.
function setCookie(name, value, expires, path, domain, secure) 
{
	var curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
	if (!caution || (name + "=" + escape(value)).length <= 4000)
	{
		document.cookie = curCookie;
	}
	else
	{
		if (confirm("Cookie exceeds 4KB and will be cut!"))
		{
			document.cookie = curCookie;
		}
	}
}

//Cookie &#50640; &#51080;&#45716; &#44050; &#49325;&#51228;
//name &#47564; &#54596;&#49688;, path, domain &#51008; &#49440;&#53469;
function deleteCookie(name, path, domain) 
{
	var today = new Date();
	if (getCookie(name)) 
	{
		today.setTime(today.getTime()-1);
		document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=" + today.toGMTString();
	}
}