this.rotatePhoto = function(){
	var length = $("#rotateImage li").length;
	var ran = Math.floor(Math.random()*length) + 1;
	$("#rotateImage li:nth-child(" + ran + ")").show();
};
this.rotatePhoto2 = function(){
	var length = $("#rotateImage2 li").length;
	var ran = Math.floor(Math.random()*length) + 1;
	$("#rotateImage2 li:nth-child(" + ran + ")").show();
};

$(document).ready(function(){	
	rotatePhoto();
	rotatePhoto2();
});