//Base64
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + //all caps
"abcdefghijklmnopqrstuvwxyz" + //all lowercase
"0123456789+/="; // all numbers plus +/=
//Heres the encode function
function encode64(inp)
{
	var out = ""; //This is the output
	var chr1, chr2, chr3 = ""; //These are the 3 bytes to be encoded
	var enc1, enc2, enc3, enc4 = ""; //These are the 4 encoded bytes
	var i = 0; //Position counter
	
	do { //Set up the loop here
		chr1 = inp.charCodeAt(i++); //Grab the first byte
		chr2 = inp.charCodeAt(i++); //Grab the second byte
		chr3 = inp.charCodeAt(i++); //Grab the third byte
		
		//Here is the actual base64 encode part.
		//There really is only one way to do it.
		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;
		}
		
		//Lets spit out the 4 encoded bytes
		out = out + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) +
		keyStr.charAt(enc4);
		
		// OK, now clean out the variables used.
		chr1 = chr2 = chr3 = "";
		enc1 = enc2 = enc3 = enc4 = "";
	
	} while (i < inp.length); //And finish off the loop
	
	//Now return the encoded values.
	return out;
}
//Heres the decode function
function decode64(inp)
{
	var out = ""; //This is the output
	var chr1, chr2, chr3 = ""; //These are the 3 decoded bytes
	var enc1, enc2, enc3, enc4 = ""; //These are the 4 bytes to be decoded
	var i = 0; //Position counter
	
	// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
	var base64test = /[^A-Za-z0-9\+\/\=]/g;
	
	if (base64test.exec(inp)) { //Do some error checking
		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 { //Here the decode loop.
	
		//Grab 4 bytes of encoded content.
		enc1 = keyStr.indexOf(inp.charAt(i++));
		enc2 = keyStr.indexOf(inp.charAt(i++));
		enc3 = keyStr.indexOf(inp.charAt(i++));
		enc4 = keyStr.indexOf(inp.charAt(i++));
		
		//Heres the decode part. There��s really only one way to do it.
		chr1 = (enc1 << 2) | (enc2 >> 4);
		chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
		chr3 = ((enc3 & 3) << 6) | enc4;
		
		//Start to output decoded content
		out = out + String.fromCharCode(chr1);
		
		if (enc3 != 64) {
			out = out + String.fromCharCode(chr2);
		}
		if (enc4 != 64) {
			out = out + String.fromCharCode(chr3);
		}
		
		//now clean out the variables used
		chr1 = chr2 = chr3 = "";
		enc1 = enc2 = enc3 = enc4 = "";
	
	} while (i < inp.length); //finish off the loop
	
	//Now return the decoded values.
	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, "/", "tw.cyworld.com", false);

}
  
function pageStatistics(event_code){
	i = new Image();
	i.src =  "http://st.tw.cyworld.com/stat.tiff?e_cd=["+event_code+"]";	
}
function relationStatistics(cyid, mode){
	i = new Image();
	i.src =  "http://st.tw.cyworld.com/friend_recv.tiff?cyid="+cyid+"&arg="+mode+"";	
}
function boardStatistics(cyid, file_cnt){
	i = new Image();
	i.src =  "http://st.tw.cyworld.com/board_recv.tiff?cyid="+cyid+"&arg="+file_cnt+"";	
}