function pressNav(id, endID)
{
	var content = document.getElementById('content');
	var yPos = getYPos(id);
	var browser = detectMobile();
	
	if( id == 'intro' ) yPos = 0;
	
	if( browser == 'iPhone'  ||  browser == 'not mobile'  ||  browser == 's600' )
	{
		content.scrollTop = yPos;
	}
	else if( browser == 'android' )
	{
		resizeToSectionHeight(id, endID, yPos)
	}
}


function resetHeights()
{
	if( detectMobile() == 'android' )
	{
		var content = document.getElementById('content');
		content.style.height = getInitH() + 'px';
		content.scrollTop = '0px';
	}
}


function resizeToSectionHeight(id, endID, yPos)
{
	var newH = document.getElementById(endID).offsetTop - document.getElementById(id).offsetTop;
	content.style.height = newH + 'px';
	content.scrollTop = yPos;
}


function getYPos(id)
{
	var navHeight = document.getElementById('nav').offsetHeight;
	var yPos = Number(document.getElementById(id).offsetTop - navHeight);
	return yPos;
}