function setCookie_csl(name,value) 
{
		document.cookie = name + "=" + escape(value);
}

function getCookieVal_csl(offset) {  
var endstr = document.cookie.indexOf (";", offset);  
if (endstr == -1)    
endstr = document.cookie.length;  
return unescape(document.cookie.substring(offset, endstr));
}

function getCookie_csl(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_csl (j);    
i = document.cookie.indexOf(" ", i) + 1;    
if (i == 0) break;   
}  
return null;
}

function DeleteCookie_csl (name) {  
var exp = new Date();  
exp.setTime (exp.getTime() - 1);  
var cval = getCookie_csl (name);  
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}