var url_base      = "http://www.fabrion.net/";

function xhrJs(content)
{
    var xhrArgs = {
    		url: url_base + "retrieve.php",
            handleAs: "javascript",
            content: content,
            load: function(data) {},
            error: function(error) {}
    };
    var deferred = dojo.xhrPost(xhrArgs);
}

function xhrPostJs(data,url)
{	
	url = url_base + url;
    var xhrArgs = {
    		url: url,
    		content: data, 
            handleAs: "javascript",
            load: function(data) { },
            error: function(error) { }
    };
    var deferred = dojo.xhrPost(xhrArgs);
}