var x = 0;
setTimeout('moveItem()',10000)

$(window).scroll(
function () { x = x + 1; if (x == 1) { $('#selector').triggerHandler('click'); } 
    });

function moveItem() {
     jQuery(
         function() { x = x + 1; if (x == 1) { $('#selector').triggerHandler('click'); }
          });
	}