/* nthist_cookies.js */
/* wrapper for cookies */

 function nthist_createCookie(name,value,days) {
     if (days) {
         var date = new Date();
         date.setTime(date.getTime()+(days*24*60*60*1000));
         var expires = "; expires="+date.toGMTString();
     } else {
         var expires = "";
     }
     document.cookie = name+"="+value+expires+"; path=/";
 }

 function nthist_readCookie(name) {
     var nameEQ = name + "=";
     var ca = document.cookie.split(';');
     for(var i=0;i < ca.length;i++) {
         var c = ca[i];
         while (c.charAt(0)==' ') { 
			c = c.substring(1,c.length);
		 }
         if (c.indexOf(nameEQ) == 0) {
			return c.substring(nameEQ.length,c.length);
		}
     }
     return null;
 }