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 SetCookie (name, value) {  
var argv = SetCookie.arguments;  
var argc = SetCookie.arguments.length;  
var expireDate = new Date;
  expireDate.setFullYear(expireDate.getFullYear() + 1);

//var expires = (argc > 2) ? argv[2] : null;  
var expires = 365;
var path = (argc > 3) ? argv[3] : null;  
var domain = (argc > 4) ? argv[4] :null;  expireDate.toGMTString();
var secure = (argc > 5) ? argv[5] : false;  
document.cookie = name + "=" + escape (value) + 
((expires == null) ? "" : ("; expires=" + expireDate.toGMTString())) + 
((path == null) ? "" : ("; path=" + path)) +  
((domain == null) ? "" : ("; domain=" + domain)) +    
((secure == true) ? "; secure" : "");
}


function DeleteCookie (name) {  

var exp = new Date();  

exp.setTime (exp.getTime() - 1);   

var cval = GetCookie (name);  

document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();

}

function getCookieVal(offset) {

var endstr = document.cookie.indexOf (";", offset);

if (endstr == -1)

endstr = document.cookie.length;

return unescape(document.cookie.substring(offset, endstr));

}



var expDays =365 ;
var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function amt(){
var count = GetCookie('count')
if(count == null) {
SetCookie('count','1')
return 1
}
else {
var newcount = parseInt(count) + 1;
DeleteCookie('count')
SetCookie('count',newcount,exp)
return count
   }
}