djConfig = {afterOnLoad : true, require:['dojo.date','dojo.cookie']};
	
djConfig.addOnLoad = function(){  alert('DOJO loaded') } ;
		
var e = document.createElement("script");
e.type = "text/javascript";
e.src= "http://ajax.googleapis.com/ajax/libs/dojo/1.3.2/dojo/dojo.xd.js";
document.getElementsByTagName("head")[0].appendChild(e);

http://www.oreillynet.com/onlamp/blog/2008/05/dojo_goodness_part_7_injecting.html

DojoAfterPageLoad

JavaScript