var current_portrait = 0;
var num_portraits = 0;
var current_portrait_img = 1;
var PORTRAITS_DIR;

function initPortraits()
{
	if(num_portraits > 0)
	{
		var portrait1 = $('members_portrait1');
		var portrait2 = $('members_portrait2');
		var portrait1_img = $('members_portrait1_img');
		var portrait2_img = $('members_portrait2_img');
		var portrait1_name = $('members_portrait1_name');
		var portrait2_name = $('members_portrait2_name');

		portrait1.style.opacity = 1;
		portrait1.style.filter = 'alpha(opacity=100)';
		portrait1_img.src = PORTRAITS_DIR+portraits[current_portrait][1];
		portrait1_name.innerHTML = portraits[current_portrait][2]+' '+portraits[current_portrait][3]+' '+portraits[current_portrait][4];

		if(current_portrait != num_portraits - 1)
		{
			portrait2_img.src = PORTRAITS_DIR+portraits[current_portrait+1][1];
			portrait2_name.innerHTML = portraits[current_portrait+1][2]+' '+portraits[current_portrait+1][3]+' '+portraits[current_portrait+1][4];
			setInterval("nextPortrait()",5000);
		}
	}
}

function nextPortrait()
{
	var portrait1 = $('members_portrait1');
	var portrait2 = $('members_portrait2');
	var portrait1_img = $('members_portrait1_img');
	var portrait2_img = $('members_portrait2_img');
	var portrait1_name = $('members_portrait1_name');
	var portrait2_name = $('members_portrait2_name');
	
	if(current_portrait == num_portraits - 1)
	{
		current_portrait = 0;
	}
	else
	{
		current_portrait = current_portrait + 1;
	}

	var next_src;
	var next_name;

	if(current_portrait == num_portraits - 1)
	{
		next_src = PORTRAITS_DIR+portraits[0][1];
		next_name = portraits[0][2]+' '+portraits[0][3]+' '+portraits[0][4];
	} 
	else
	{
		next_src = PORTRAITS_DIR+portraits[current_portrait+1][1];
		next_name = portraits[current_portrait+1][2]+' '+portraits[current_portrait+1][3]+' '+portraits[current_portrait+1][4];
	}

	if(current_portrait_img == 1)
	{
		fadeOut('members_portrait1',"loadPortrait(1,'"+next_src+"','"+next_name+"')");
		fadeIn('members_portrait2');

		current_portrait_img = 2;
	}
	else
	{
		fadeOut('members_portrait2',"loadPortrait(2,'"+next_src+"','"+next_name+"')");
		fadeIn('members_portrait1');

		current_portrait_img = 1;
	}
}

function loadPortrait(portrait,src,name)
{
	if(portrait == 1)
	{
		var portrait_img = $('members_portrait1_img');
		var portrait_name = $('members_portrait1_name');
	}
	else if(portrait == 2)
	{
		var portrait_img = $('members_portrait2_img');
		var portrait_name = $('members_portrait2_name');
	}

	portrait_img.src = src;
	portrait_name.innerHTML = name;
}