var close=true;
var closeServ=true;
var closeAbout=true;
var closeTraining=true;
var workCount=0;
var servCount=0;
var aboutCount=0;
var trainingCount=0;

function startTimer()
{
	workCount++;
	close=true;
	setTimeout('tryClose()',400);
	
}

function startTimerAbout()
{
	aboutCount++;
	closeAbout=true;
	setTimeout('tryCloseAbout()',400);
	
}

function startTimerTraining()
{
	trainingCount++;
	closeTraining=true;
	setTimeout('tryCloseTraining()',400);
	
}

function cancelClose()
{
	close=false;
}

function tryClose()
{
	workCount--
	if(close&&workCount==0)
	{
		document.getElementById("workNav").style.zIndex='-1'
	}
}

function tryCloseAbout()
{
	aboutCount--
	if(closeAbout&&aboutCount==0)
	{
		document.getElementById("aboutNav").style.zIndex='-1'
	}
}

function tryCloseTraining()
{
	trainingCount--
	if(closeTraining&&trainingCount==0)
	{
		document.getElementById("trainingNav").style.zIndex='-1'
	}
}

function startTimerServ()
{
	servCount++;
	closeServ=true;
	setTimeout('tryCloseServ()',400);
	
}

function cancelCloseServ()
{
	closeServ=false;
}

function cancelCloseAbout()
{
	closeAbout=false;
}

function cancelCloseTraining()
{
	closeTraining=false;
}

function tryCloseServ()
{
	servCount--
	if(closeServ&&servCount==0)
	{
		document.getElementById("servicesNav").style.zIndex='-1'
	}
}