function each(container, fun)
{
	if (container instanceof Array) {
		for (var i = 0; i < container.length; i++) {
			fun(i, conatiner[i]);
		}
	} else {
		for (var i in container) {
			if (container.hasOwnProperty(i)) {
				fun(i, container[i]);
			}
		}
	}
}

function q(query)
{
	return document.querySelector(query);
}
function qall(query)
{
	return document.querySelectorAll(query);
}

function hide(el)
{
	el.style.display = 'none';
}

function show(el, dtype)
{
	if (dtype === undefined) {
		dtype = 'block';
	}
	el.style.display
}

function onReady(fun)
{
	if (document.readyState == 'complete') {
		fun();
	} else {
		document.onreadystatechange = function() {
			if (document.readyState == 'complete') {
				fun();
				document.onreadystatechange = null;
			}
		}
	}
}

function addClass(el, classname)
{
	var classes = el.className.split(' ');
	if (classes.indexOf(classname) == -1) {
		classes.push(classname);
		el.className = classes.join(' ');
	}
}

function removeClass(el, classname)
{
	var classes = el.className.split(' ');
	var idx = classes.indexOf(classname);
	if (idx > -1) {
		classes.splice(idx, 1);
		el.className = classes.join(' ');
	} 
}