$(document).ready(function() {
	var TwitNum = $('#twitter_update_list li').length;
	var Colors = ["#038ba4", "#aea339", "#45744d", "#3f4859", "#621f42"];
	a=-1;
	for (k=0; k<TwitNum; k++){
		a++;
		$('#twitter_update_list li').eq(k).css('background-color',Colors[a]);
			if (a==Colors.length-1){a=-1;}
	}
});