function open_infomenu()
	{
	
	h = document.body.clientHeight;
	
	if (document.documentElement.scrollTop) st = document.documentElement.scrollTop;
		else st = document.body.scrollTop
	
	st += 60;
	
	document.getElementById('infomenu').style.top = st+'px';
	
	document.getElementById('overlay').style.height = h+'px';
	document.getElementById('overlay').style.display = 'block';
	document.getElementById('infomenu').style.display = 'block';
	}
	
function close_infomenu()
	{
	document.getElementById('overlay').style.display = 'none';
	document.getElementById('infomenu').style.display = 'none';
	}
	
	
function open_authform()
	{
	
	h = document.body.clientHeight;
	
	if (document.documentElement.scrollTop) st = document.documentElement.scrollTop;
		else st = document.body.scrollTop
	
	st += 60;
	
	document.getElementById('authform').style.top = st+'px';
	
	document.getElementById('overlay').style.height = h+'px';
	document.getElementById('overlay').style.display = 'block';
	document.getElementById('authform').style.display = 'block';
	}
	
function close_authform()
	{
	document.getElementById('overlay').style.display = 'none';
	document.getElementById('authform').style.display = 'none';
	}
	
$(document).ready(function(){ 
	setTimeout( function(){
	 $('#usermsg').fadeOut(1000);
	 },3000);
});