// Initialize the menu
function initMenu(parents)
{
	if( parents != '' )
	{
		var arrClose = parents.split(",");
		for (i in arrClose) 
		{
			document.getElementById('ul' + arrClose[i]).style.display = 'none';
		}
	}
}

 // Toggle a certain menuGroup
function toggleMenuGroup( menuGroup )
{
	if( document.getElementById(menuGroup).style.display == '' )
	{
		document.getElementById(menuGroup).style.display = 'none';
	}
	else
	{
		document.getElementById(menuGroup).style.display = '';
	}
}

 // Track a user
function trackUser()
{
	pag = encodeURIComponent(location.href.substring(7));	
	scw = parseInt(screen.width);
	sch = parseInt(screen.height);
	
	ref = document.referrer; 
	ref = ( ref == "" || ref == 'undefined' || ref.substring(0,7) != 'http://' ) ? '' : encodeURIComponent(ref.substring(7));
	
	src = 'includes/track_user.php?pag='+pag+'&ref='+ref+'&scw='+scw+'&sch='+sch;
	src = '<img src="' + src + '" width="0" height="0" border="0" align="left">'; 
	
	document.write(src);
}