var h=screen.height;
var info;
window.onload=function() {
	info=document.getElementById('info');
	info.style.marginTop=h/2-156;
	moveInfo();
	info.style.display='block';
	info.getElementsByTagName('div')[0].onclick=function(){
		this.parentNode.style.display='none';
		info=null;
		};
};

function moveInfo() {
	if (info)
		info.style.top=document.body.scrollTop;
}