js: Get JSON object from a URL

jsonObjFromURL.js

// url = "http://localhost/index.php?module=search&param1=4";

function jsonObjFromURL (url){
	var parameters = url.split("?"),
		jsObject = {},
		jsObjectParams = {},
		paramPair;
	
	jsObject.baseURL = parameters[0];

	var paramPairString = parameters[1].split("&");
	for (var i = paramPairString.length - 1; i >= 0; i--) {
		paramPair = paramPairString[i].split("=");
		jsObjectParams[paramPair[0]] = paramPair[1];
	}
	jsObject.params = jsObjectParams;
	return JSON.stringify(jsObject);
}