$(document).ready(
				  function()
						   {
							var ic2 = 5;
var xoxox = new Array(ic2);
xoxox[0] = "url('images/main-photos-1.jpg') no-repeat right top";
xoxox[1] = "url('images/main-photos-2.jpg') no-repeat right top";
xoxox[2] = "url('images/main-photos-3.jpg') no-repeat right top";
xoxox[3] = "url('images/main-photos-4.jpg') no-repeat right top";
xoxox[4] = "url('images/main-background-photos.jpg') no-repeat right top"; 

 var choice2 = pickRandom(ic2);
 		   
		   $("#main-background").css("background",xoxox[choice2]);
		  
							}
						   );

function pickRandom(range) {
            if (Math.random)
            return Math.round(Math.random() * (range-1));
            else {
            var now = new Date();
            return (now.getTime() / 1000) % range;
            }
            }