var last = 0;

// NOTE: The last item in the array needs to be the default class on #BigHead
var headerclasses = ["FSAHeadPic","SecondBestHeadPic","BigLoansHeadPic","AuctionsHeadPic","RenovationsHeadPic"];    

function toggleHeader() {
	
	var headerclass = headerclasses[last];        
		
	$("#BigHead").fadeOut('slow', function() {
    	$("#BigHead").attr('class',headerclass);
		$('#BigHead').fadeIn('slow');
		if (last == (headerclasses.length-1)) {
			last = 0;
		} else {
			last++;
		}
  	});
}

$().ready(function () {
	  setInterval(toggleHeader,6000); 
});