$(function(){
	var bannerImages = ["chopper-flight.jpg","chopper-front.jpg","chopper-mechanics.jpg"];
	var path = "http://www.summit-aviation.com/wp-content/themes/summit/images/";
	var arraylength = bannerImages.length;
	var rn = Math.floor(Math.random()*arraylength);
	var ri = path + bannerImages[rn]
	var url = "url(" + ri + ")";
	
	$(".home").css("background-image", url);

	
});