Blackberry Webworks - Execute JavaScript after UI rendering is Complete

checkready.js

var ready = self.setInterval("checkReady()", 100);

function checkReady() {
	var root = document.getElementById("root"); // Change this to any HTML element
	if(typeof root != 'undefined') {
		window.clearInterval(ready);
		__init();
	}
}

function __init() {
	// Your codes here..
}