function example(/**Circle*/a, b) {

	/** a global defined in function  */

	var number = a;

	var hideNumber = function(){

	}

	setNumber = function(){

	}

	alert('You have chosen: ' + b);

}

function initPage() {

	var supported = document.createElement && document.getElementsByTagName;

	if (!supported) return;

	// start of DOM script

	var x = document.getElementById('writeroot');

	// etc.

}

/** an example var */

var document = new Document(x, y);

var getNumber = function(){

}