/**
 * @see http://www.quirksmode.org/js/cookies.html
 */
var Cookie = {
	set: function(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=/";
	},
	get: function(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;
	}
};

// make rel=external open in a new window
var Links = {
	replaceExternals: function() {
		if (!document.getElementsByTagName) return;
		var anchors = document.getElementsByTagName("a");
		for (var i=0; i<anchors.length; i++) {
			var anchor = anchors[i];
			var relative = anchor.getAttribute("rel");
			var pattern = /external/i;
			if (anchor.getAttribute("href") && pattern.test(relative)) {
				anchor.target = "_blank";
			}
		}
	}
}

// light weight cross-browser event adding
window.addEvent = function(event, target, method) {
	if (target.addEventListener) {
		target.addEventListener(event, method, false);
	} else if (target.attachEvent) {
		target.attachEvent("on" + event, method);
	}
}

// executes on window load
window.addEvent('load',window,function(){
	Links.replaceExternals();
});