Use this code:
$(document).ready(function(){
function anime_1()
{
$("#medwheel-iphone").fadeOut().animate({marginTop: "5%"});
$("#visualiser-bg").delay(1000).fadeIn();
$('#visualiser-ipad').delay(2000).fadeIn().animate({marginTop: "3%"}, 2000);
setTimeout(function(){
anime_2();
}, 10000);
}
function anime_2()
{
$("#visualiser-ipad").fadeOut().animate({marginTop: "5%"});
$("#visualiser-bg").delay(1000).fadeOut();
$('#medwheel-iphone').delay(2000).fadeIn().animate({marginTop: "3%"}, 2000);
setTimeout(function(){
anime_1();
}, 10000);
}
setTimeout(function(){
anime_1();
}, 10000);
});