Dojo - Undefined error in IE?

http://stackoverflow.com/questions/16334865/dojo-undefined-error

HTML

<div id="province"></div>

JavaScript

function findListAgences()
{
         var provinceNode = dojo.byId("province");
         var jsonArgs =
         {
		    url:  "http://frsdbaddev.systems.uk.hsbc/cgi-bin/emcgi",
		    // Handle the result as JSON data
			handleAs: "json",
			
			content: 
			{
 				 Appl="WEBAGC"
 		    },
			// The success handler
		    load : function(branchList)
		    {
		        provinceNode.innerHTML = "<pre>"+dojo.toJson(branchList,true)+"</pre>";
		    },
		    error: function(error)
		    {
		        provinceNode.innerHTML = "An unexpected error occurred: " + error;  
		    }
         };
     	 dojo.xhrGet(jsonArgs);
}
dojo.ready(findListAgences);