window.addEvent('domready', function() {

	var wW = window.getWidth();
	//alert(wh);
	var coW = $('container').getSize();
	var oW = $('overlay').getSize();
	var roznica = (wW - coW.x )/ 2 -100; 
	if(roznica > 0 ) 
	$('overlay').setStyle('left', coW.x+roznica);
	else
	$('overlay').setStyle('left', coW.x - 50);
	


});