$(document).ready(function(){
	setTimeout('switchLogos(2)',2500);
});

function switchLogos(set)
{
	if (set == 5)
	{
		Divset = "#logo1";
		previousSet = "#logo4";
		set = 1;
	}
	else
	{
		previousSet = set - 1;
		Divset = "#logo"+set;
		previousSet = "#logo"+previousSet;
	}

	$(previousSet).fadeOut(1500, function () {$(Divset).fadeIn(1500);});
	set++;
	setTimeout("switchLogos("+set+")",8000);
}