function stretchNav() {
	if (document.getElementById("rightcol"))
		rheight = document.getElementById("rightcol").scrollHeight;
	if (document.getElementById("main-content-wrapper"))
		bheight = document.getElementById("main-content-wrapper").scrollHeight;
	if (document.getElementById("leftcol")) 
		lheight = 1000;

  if (lheight < bheight || lheight < rheight)
	{
		if (bheight >= rheight)
		{
			document.getElementById("rightcol").style.height = bheight + 'px';
			document.getElementById("leftcol").style.height = bheight + 'px';
		}
		else
		{
			document.getElementById("main-content-wrapper").style.height = rheight + 'px';
			document.getElementById("leftcol").style.height = rheight + 'px';
		}
	}
	else
	{
		document.getElementById("rightcol").style.height = lheight + 'px';
		document.getElementById("main-content-wrapper").style.height = lheight + 'px';		
	}
		
}

//Show add block for member management
function showExistingAddBlock() {
	if (document.getElementById("addmembers"))
	{
		document.getElementById("addmembers").style.display = "block";
		if (document.getElementById("addnewmembers"))
			document.getElementById("addnewmembers").style.display = "none";
	}	
}

function showNewAddBlock() {
	if (document.getElementById("addnewmembers"))
	{
		document.getElementById("addnewmembers").style.display = "block";
		if (document.getElementById("addmembers"))
			document.getElementById("addmembers").style.display = "none";		
	}
}


function resetthis()
{
document.forms['f20'].reset();
}