// JavaScript Document
function userBar(id)
{
	var x = y = 0;
	
	y = (document.body.scrollTop + document.body.clientHeight / 2) - 50;
	x = document.body.offsetWidth / 2 - 50;
	document.all[id].style.top = y;
	document.all[id].style.left = x;
	
	if (document.all[id].style.display == 'none')
	{
		document.all[id].style.display = 'block';
	} else {
		document.all[id].style.display = 'none';
	}
}