<!--
function set_cookie(name, value, expireminutes, domain,chk) 
{
	var chk = (chk)?chk:0;
	 var name = (name) ? name : '' ; 
	 var value = (value) ? value : '' ;
	 var domain = (domain)? domain : '' ;
	if( chk == 0 ) {
		 var cookieName = encode(name);
		 var cookieValue = encode(value);
	} else {
		var cookieName = (name);
		var cookieValue = (value);
	}
	 var oDate = new Date();
	 oDate.setMinutes(oDate.getMinutes() + expireminutes);
	 var expiresDate = oDate.toGMTString();

	 if( cookieName ) {
		 document.cookie = cookieName+"=" + cookieValue + "; expires=" + expiresDate + "; path=/; ";
		if (domain) document.cookie += "domain=" + domain + ";";
	}
}
// 쿠키 얻음
function get_cookie(name,chk) 
{
	var chk = (chk)?chk:0;
	if( chk == 0 ) var search = encode(name) + "=";
	else 	var search = (name) + "=";
	//alert(chk);
	//alert(search);
	var returnvalue = "";
	if (document.cookie.length > 0) {
		offset = document.cookie.lastIndexOf(search); 
		if (offset != -1) {
			offset += search.length;
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end)); 
		}
	}
	if( chk == 0 ) return decode(returnvalue);
	else return (returnvalue);
}
function encode(str) { var str = (str) ? str : ''; if( str ) return encode64(escape(str)); else return ''; } 
function decode(str) { var str = (str) ? str : ''; if( str ) return unescape(decode64(str)); else return ''; } 
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; 
function encode64(input) { var output = ""; var chr1, chr2, chr3; var enc1, enc2, enc3, enc4; var i = 0; do { chr1 = input.charCodeAt(i++); chr2 = input.charCodeAt(i++); chr3 = input.charCodeAt(i++); enc1 = chr1 >> 2; enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); enc4 = chr3 & 63; if (isNaN(chr2)) { enc3 = enc4 = 64; } else if (isNaN(chr3)) { enc4 = 64; } output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) + keyStr.charAt(enc4); } while (i < input.length); return output; } 
function decode64(input) { var output = ""; var chr1, chr2, chr3; var enc1, enc2, enc3, enc4; var i = 0; input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); do { enc1 = keyStr.indexOf(input.charAt(i++)); enc2 = keyStr.indexOf(input.charAt(i++)); enc3 = keyStr.indexOf(input.charAt(i++)); enc4 = keyStr.indexOf(input.charAt(i++)); chr1 = (enc1 << 2) | (enc2 >> 4); chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); chr3 = ((enc3 & 3) << 6) | enc4; output = output + String.fromCharCode(chr1); if (enc3 != 64) { output = output + String.fromCharCode(chr2); } if (enc4 != 64) { output = output + String.fromCharCode(chr3); } } while (i < input.length); return output; } 
//-->