var Flag = false;
var TimeOut;



function show1(c)
{
var obj = document.getElementById(c);
if(obj) obj.style.visibility = 'visible';
}

function hide1(c)
{
var obj = document.getElementById(c);
if(obj) obj.style.visibility = 'hidden';
}

function show_sub_menu(m)
{
	for(f=1; f<100; f++)
	{
		var obj = document.getElementById('sub_menu_'+f);
		if(obj) 
		{
			obj.style.visibility = 'hidden';
		}
	}


	var obj = document.getElementById('sub_menu_'+m);
	if(obj) 
	{
		if(obj.style.visibility == 'visible')
			obj.style.visibility = 'hidden';
		else
			obj.style.visibility = 'visible';
	}

}

function over_sub_menu(m)
{
	if(Flag==true)
	{
		clearTimeout(TimeOut);
	}
	Flag = false;
}

function out_sub_menu(m)
{
	var sm = 'sub_menu_'+m;
	TimeOut = setTimeout("hide1('"+sm+"');", 1000);
	Flag = true;
}


function pause(ms)
{
var date = new Date();
var curDate = null;
do { curDate = new Date(); }
while(curDate-date < ms);
}

function do_logon()
{
	var obj = document.getElementById('logon_form1');
	if(obj) obj.style.visibility = 'hidden';
}