var timer = null;
function hideAll()
{
	if(timer!=null)
    {
	    clearTimeout(timer);
	    timer=null;
    }
	document.getElementById('portfolioMenu').style.display='none';
	document.getElementById('servicesMenu').style.display='none';
}
function showServices()
{
	document.getElementById('portfolioMenu').style.display='none';
	document.getElementById('servicesMenu').style.display='block';
}
function showPortfolio()
{
	document.getElementById('servicesMenu').style.display='none';
	document.getElementById('portfolioMenu').style.display='block';
}
function timeoutHideAll()
{
	timer = setTimeout("hideAll()",300);
}
function timeoutClear()
{
	clearTimeout(timer);
    timer=null;
}