JavaScript cookie Read and set operation instance

Web page effects cookie Read and set operation instance

/* Read and write cookie*/

function Readcookie (name)
{
var cookievalue = "";
var search = name + "=";
if (Document.cookie.length > 0)
{
offset = document.cookie.indexof (search);
if (offset!=-1)
{
Offset + + search.length;
End = Document.cookie.indexof (";", offset);
if (end = = 1) end = Document.cookie.length;
Cookievalue = unescape (document.cookie.substring (offset, end)
}
}
return cookievalue;
}

Example

//Writecookie ("MyCookie", "My Name", 24); The
//stores the string ' My name ' in the cookie ' MyCookie ' which expires after hours.
Function Writecookie (name, value, hours)
{
  var expire = "";
  if (hours!= null)
  {
    expire = new Date (new Date ()). GetTime () + hours * 3 600000);
    expire = "; Expires= "+ expire.togmtstring ();
 }
  Document.cookie = name + "=" + Escape (value) + expire;
 
}