$(function(){
	current = 1;
	imgh = 154;
	count = $('#imgholder img').size();
	
	setInterval(function(){
		if (current == count){
			$('#imgholder').animate({'margin-top':0},200);
			current = 1;
		} else {
			$('#imgholder').animate({'margin-top':'-='+imgh},200);
			current++;
		}
	},2000);
	
});