window.onload = function(e){
	//resizePage();
}

function resizePage(){
	document.getElementById('frame').style.marginTop = '10px';
	document.getElementById('frame').style.height = '100%';
	var height = document.getElementById('frame').offsetHeight;
	document.getElementById('frame').style.height = '550px';

	var marginTop = (height - 550) / 2;
	if(marginTop > 10) document.getElementById('frame').style.marginTop = marginTop + 'px';

	window.onresize = resizePage;
}