$( function()
{
	var $img = $("#bio");

	var min_delay_bw = 100;
	var max_delay_bw = 1500;
	var delay_color = 100;

	var setBW = function()
	{
		$img.css( { 'background-position': '0px 0px' } );
		setTimeout( setColor, Math.round( Math.random() * (max_delay_bw - min_delay_bw) + min_delay_bw ) );
	}

	var setColor = function()
	{
		$img.css( { 'background-position': '-200px 0px' } );
		setTimeout( setBW, delay_color );
	}

	setBW();
});