function CloseAllNavs()
{
	document.all.subnav1.style.display = 'none';
	document.all.subnav2.style.display = 'none';
	document.all.subnav3.style.display = 'none';
	document.all.subnav4.style.display = 'none';
	document.all.subnav5.style.display = 'none';
}

function ExpandSubNav1()
{
if(document.all.subnav1.style.display == 'block')
	{
		document.all.subnav1.style.display = 'none';
	}
	else
	{
		CloseAllNavs();	
		document.all.subnav1.style.display = 'block';
	}
}
function ExpandSubNav2()
{
if(document.all.subnav2.style.display == 'block')
	{
		document.all.subnav2.style.display = 'none';
	}
	else
	{
		CloseAllNavs();	
		document.all.subnav2.style.display = 'block';
	}
}
function ExpandSubNav3()
{
if(document.all.subnav3.style.display == 'block')
	{
		document.all.subnav3.style.display = 'none';
	}
	else
	{
		CloseAllNavs();	
		document.all.subnav3.style.display = 'block';
	}
}
function ExpandSubNav4()
{
if(document.all.subnav4.style.display == 'block')
	{
		document.all.subnav4.style.display = 'none';
	}
	else
	{
		CloseAllNavs();	
		document.all.subnav4.style.display = 'block';
	}
}
function ExpandSubNav5()
{
if(document.all.subnav5.style.display == 'block')
	{
		document.all.subnav5.style.display = 'none';
	}
	else
	{
		CloseAllNavs();	
		document.all.subnav5.style.display = 'block';
	}
}