// JavaScript Document

var meta;
var expireDate = new Date();

expireDate.setDate(expireDate.getDate() + 5);

if (document.createElement && (meta = document.createElement('meta'))) {
		// set properties
		meta.name = "expires";
		meta.content = expireDate.getDate();
		
		// now add the meta element to the head
		document.getElementsByTagName('head').item(0).appendChild(meta);
	}