var loading_show = function () {
	new Fx.Style('wait_global', 'height', {duration:200}).start(0, 40);
}

var loading_hide = function () {
	var mWidth = $('wait_global').getSize();
	if (mWidth.y < 40) {
		loading_hide.delay (10);
		return;
	}
	new Fx.Style('wait_global', 'height').start(40, 0);
}

window.addEvent('domready', function(){
	var mWidth = $('wait_global').getSize().x;
	$('wait_global').setStyle ('left', ((window.getSize().x/2) - (mWidth/2)) + 'px');
});