var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ"+"abcdefghijklmnopqrstuvwxyz"+"0123456789+/=";function encode64(inp)
{var out="";var chr1,chr2,chr3="";var enc1,enc2,enc3,enc4="";var i=0;do{chr1=inp.charCodeAt(i++);chr2=inp.charCodeAt(i++);chr3=inp.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;}
out=out+keyStr.charAt(enc1)+keyStr.charAt(enc2)+keyStr.charAt(enc3)+
keyStr.charAt(enc4);chr1=chr2=chr3="";enc1=enc2=enc3=enc4="";}while(i<inp.length);return out;}
function decode64(inp)
{var out="";var chr1,chr2,chr3="";var enc1,enc2,enc3,enc4="";var i=0;var base64test=/[^A-Za-z0-9\+\/\=]/g;if(base64test.exec(inp)){alert("There were invalid base64 characters in the input text.\n"+"Valid base64 characters are A-Z, a-z, 0-9, ?+?, ?/?, and ?=?\n"+"Expect errors in decoding.");}
inp=inp.replace(/[^A-Za-z0-9\+\/\=]/g,"");do{enc1=keyStr.indexOf(inp.charAt(i++));enc2=keyStr.indexOf(inp.charAt(i++));enc3=keyStr.indexOf(inp.charAt(i++));enc4=keyStr.indexOf(inp.charAt(i++));chr1=(enc1<<2)|(enc2>>4);chr2=((enc2&15)<<4)|(enc3>>2);chr3=((enc3&3)<<6)|enc4;out=out+String.fromCharCode(chr1);if(enc3!=64){out=out+String.fromCharCode(chr2);}
if(enc4!=64){out=out+String.fromCharCode(chr3);}
chr1=chr2=chr3="";enc1=enc2=enc3=enc4="";}while(i<inp.length);return out;}
function getCookie(name){var cname=name+"=";var dc=document.cookie;if(dc.length>0){begin=dc.indexOf(cname);if(begin!=-1){begin+=cname.length;end=dc.indexOf(";",begin);if(end==-1)end=dc.length;return unescape(dc.substring(begin,end));}}
return"";}
function setCookie(name,value)
{var argv=setCookie.arguments;var argc=setCookie.arguments.length;var expires=(2<argc)?argv[2]:null;var path=(3<argc)?argv[3]:null;var domain=(4<argc)?argv[4]:null;var secure=(5<argc)?argv[5]:false;document.cookie=name+"="+value+
((expires==null)?"":("; expires="+expires.toGMTString()))+
((path==null)?"":("; path="+path))+
((domain==null)?"":("; domain="+domain))+
((secure==true)?"; secure":"");}
if(getCookie("GCY_UVID")==null||getCookie("GCY_UVID")==""){var cookieval=new Date();cookieval=cookieval.getTime();var rStr_1=""+Math.random();var rStr_2=""+Math.random();var rStr_3=""+Math.random();var rStr_4=""+Math.random();var rStr_5=""+Math.random();rStr_1=rStr_1.charAt(2);rStr_2=rStr_2.charAt(2);rStr_3=rStr_3.charAt(2);rStr_4=rStr_4.charAt(2);rStr_5=rStr_5.charAt(2);var uv_expired_data=new Date(2011,1,1);cookieval=cookieval+rStr_1+rStr_2+rStr_3+rStr_4+rStr_5;setCookie("GCY_UVID",encode64(cookieval),uv_expired_data,"/","*.us.cyworld.com",false);}
function pageStatistics(event_code){i=new Image();i.src="http://st.us.cyworld.com/stat.tiff?e_cd=["+event_code+"]";}
function relationStatistics(cyid,mode){i=new Image();i.src="http://st.us.cyworld.com/friend_recv.tiff?cyid="+cyid+"&arg="+mode+"";}
function boardStatistics(cyid,file_cnt){i=new Image();i.src="http://st.us.cyworld.com/board_recv.tiff?cyid="+cyid+"&arg="+file_cnt+"";}