var RTS = new Object();
//var $ = jQuery.noConflict();

$(document).ready(function() {
    var myarray = new Array(12);
    myarray[0] = "images/contentbg001.jpg";
    myarray[1] = "images/contentbg002.jpg";
    myarray[2] = "images/contentbg003.jpg";
    myarray[3] = "images/contentbg004.jpg";
    myarray[4] = "images/contentbg005.jpg";
    myarray[5] = "images/contentbg006.jpg";
    myarray[6] = "images/contentbg007.jpg";
    myarray[7] = "images/contentbg008.jpg";
    myarray[8] = "images/contentbg009.jpg";
    myarray[9] = "images/contentbg010.jpg";
	myarray[10] = "images/contentbg011.jpg";
	myarray[11] = "images/contentbg012.jpg";
           
           var number = Math.ceil( 12 * Math.random()) - 1;

           $("#contentContainer2").css("background-image", "url(" + myarray[number] + ")");

	});