adamsilver/HTML Response

## HTML Response
<html>
  <head>
    <script>
      window.onload = function() {
        parent.helloworld(200, {"message":"","data":{"current_url":"","name":"Home","page_type":"standard","entity_uuid":null,"page_state":null,"uuid":"f7280510-3cf6-012e-7987-12313d034988","template":null,"asset_uuids":[],"user_uuid":null,"site_uuid":"a682cb70-3cf6-012e-74a4-12313d034988","navigation":false,"locked":false,"style":null}});
      }
    </script>
  </head>
  <body></body>
</html>

## JS
gd.IframeUploader = function(options) {
		this.options = $.extend({
		success: null,
		invalid: null,
		error: null,
		url: null,
		form: null
	}, options);

	do {
		this.uploadId = "iframeUpload"+ new Date().getTime() + Math.floor(Math.random() * 1000);
	} while (typeof(window[this.uploadId]) !== 'undefined'); //ensure no clashes if two requests at same time (to the millisecond)

	window[this.uploadId] = null; //anything except undefined will reserve this id
	this.iframe = null;
	this.setUrl();
}

gd.IframeUploader.prototype.setUrl = function() {
	this.options.url += ".iframe?callback="+this.uploadId;
};

gd.IframeUploader.prototype.createFunction = function() {
	window[this.uploadId] = $.proxy(function(status, data) {
		if (this.removeFormOnCallback === true && this.options.form && this.options.form.parentNode) {
			this.options.form.parentNode.removeChild(this.options.form);
			this.removeFormOnCallback = false;
		}
		if(this.options.success && this.isOk(status)) {
			this.options.success(data);
		}
		else if( this.options.invalid && this.isInvalid(status, data) ){
			this.options.invalid(data);
		}
		else if( this.options.error && this.isError(status, data)) {
			this.options.error(data);
		}
		try {
			delete window[this.uploadId];
		} catch(e) {
			window[this.uploadId] = null;
		}
		// defer removing iframe until after this method has returned to the \
		// iframe window's control (otherwise we can get "resource not loaded" error)
		setTimeout($.proxy(this.removeIframe, this), 0);
	}, this);
};

gd.IframeUploader.prototype.createIframe = function() {
	this.iframe = $('<iframe id="'+this.uploadId+'" name="'+this.uploadId+'" style="display: none"></iframe>');
	$("body").append(this.iframe);
};

gd.IframeUploader.prototype.removeIframe = function() {
	this.iframe.remove();
};

gd.IframeUploader.prototype.send = function() {
	this.createFunction();
	this.createIframe();
	this.options.form.target = this.uploadId;
	this.options.form.action = this.options.url;
	// ensure accept-charset is set to UTF-8
	$(this.options.form).attr("accept-charset", "utf-8");
	$(this.options.form).append('<input type="hidden" name="_utf8" value="&#9731;">'); // necessary to force utf-8: http://railssnowman.info/
	//append form to document if it is already not to ensure it submits in Firefox
	if ($(this.options.form).closest('body').length === 0) {
		this.removeFormOnCallback = true;
		$('body').append(this.options.form);
	}
	this.options.form.submit();
};

gd.IframeUploader.prototype.isOk = function(status) {
	return status >= 200 && status < 300;
};

gd.IframeUploader.prototype.isInvalid = function(status, data) {
	return status >= 400 && status < 500;
};

gd.IframeUploader.prototype.isError = function(status, data) {
	return status < 200 || (status >= 300 && status < 400) || status >= 500;
};
	<html>
	<head>
	<script>
	window.onload = function() {
	parent.helloworld(200, {"message":"","data":{"current_url":"","name":"Home","page_type":"standard","entity_uuid":null,"page_state":null,"uuid":"f7280510-3cf6-012e-7987-12313d034988","template":null,"asset_uuids":[],"user_uuid":null,"site_uuid":"a682cb70-3cf6-012e-74a4-12313d034988","navigation":false,"locked":false,"style":null}});
	}
	</script>
	</head>
	<body></body>
	</html>
	gd.IframeUploader = function(options) {
	this.options = $.extend({
	success: null,
	invalid: null,
	error: null,
	url: null,
	form: null
	}, options);

	do {
	this.uploadId = "iframeUpload"+ new Date().getTime() + Math.floor(Math.random() * 1000);
	} while (typeof(window[this.uploadId]) !== 'undefined'); //ensure no clashes if two requests at same time (to the millisecond)

	window[this.uploadId] = null; //anything except undefined will reserve this id
	this.iframe = null;
	this.setUrl();
	}

	gd.IframeUploader.prototype.setUrl = function() {
	this.options.url += ".iframe?callback="+this.uploadId;
	};

	gd.IframeUploader.prototype.createFunction = function() {
	window[this.uploadId] = $.proxy(function(status, data) {
	if (this.removeFormOnCallback === true && this.options.form && this.options.form.parentNode) {
	this.options.form.parentNode.removeChild(this.options.form);
	this.removeFormOnCallback = false;
	}
	if(this.options.success && this.isOk(status)) {
	this.options.success(data);
	}
	else if( this.options.invalid && this.isInvalid(status, data) ){
	this.options.invalid(data);
	}
	else if( this.options.error && this.isError(status, data)) {
	this.options.error(data);
	}
	try {
	delete window[this.uploadId];
	} catch(e) {
	window[this.uploadId] = null;
	}
	// defer removing iframe until after this method has returned to the \
	// iframe window's control (otherwise we can get "resource not loaded" error)
	setTimeout($.proxy(this.removeIframe, this), 0);
	}, this);
	};

	gd.IframeUploader.prototype.createIframe = function() {
	this.iframe = $('<iframe id="'+this.uploadId+'" name="'+this.uploadId+'" style="display: none"></iframe>');
	$("body").append(this.iframe);
	};

	gd.IframeUploader.prototype.removeIframe = function() {
	this.iframe.remove();
	};

	gd.IframeUploader.prototype.send = function() {
	this.createFunction();
	this.createIframe();
	this.options.form.target = this.uploadId;
	this.options.form.action = this.options.url;
	// ensure accept-charset is set to UTF-8
	$(this.options.form).attr("accept-charset", "utf-8");
	$(this.options.form).append('<input type="hidden" name="_utf8" value="☃">'); // necessary to force utf-8: http://railssnowman.info/
	//append form to document if it is already not to ensure it submits in Firefox
	if ($(this.options.form).closest('body').length === 0) {
	this.removeFormOnCallback = true;
	$('body').append(this.options.form);
	}
	this.options.form.submit();
	};

	gd.IframeUploader.prototype.isOk = function(status) {
	return status >= 200 && status < 300;
	};

	gd.IframeUploader.prototype.isInvalid = function(status, data) {
	return status >= 400 && status < 500;
	};

	gd.IframeUploader.prototype.isError = function(status, data) {
	return status < 200 \|\| (status >= 300 && status < 400) \|\| status >= 500;
	};