function GetCookie (name) {  
var arg = name + "=";  
var alen = arg.length;  
var clen = document.cookie.length;  
var i = 0;  
while (i < clen) {
var j = i + alen;    
if (document.cookie.substring(i, j) == arg)      
return getCookieVal (j);    
i = document.cookie.indexOf(" ", i) + 1;    
if (i == 0) break;   
}  
return null;
}
function logStr(){
var user = GetCookie('_dcb_userid');
var username = GetCookie('_dcb_username');
if(user == null) {
var signStr = 'Please Sign-in. New Users <a href="http://www.puzha.com/e-arcade/dcb/cgi-bin/account.cgi?action=signup">Click Here</a>';
return signStr
}
else {
var signStr = "Welcome "  + username;
return signStr
   }
}
function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}