To set cookies for multiple pages, you need to set the path as −
;path=/
Example
The above will make your cookies to site cookie. You can try to run the following code to set cookies for multiple pages −
Live Demo
<html> <head> <script> <!-- function WriteCookie() { if( document.myform.customer.value == "" ) { alert("Enter some value!"); return; } cookievalue = escape(document.myform.customer.value) + ";"; document.cookie = "name=" + cookievalue + "; path=/"; document.write ("Setting Cookies : " + "name=" + cookievalue ); } //--> </script> </head> <body> <form name = "myform" action = ""> Enter name: <input type="text" name="customer"/> <input type="button" value="Set Cookie" onclick="WriteCookie();"/> </form> </body> </html>