$(document).mouseup(function(e) {
var element = $(".searchbox-holder");
// if the target element is not expected element
if (!element.is(e.target) && element.has(e.target).length === 0) {
element.fadeOut("slow");
}
});
<script>
$(document).mouseup(function(e){
var container = $("#elementID");
// If the target of the click isn't the container
if(!container.is(e.target) && container.has(e.target).length === 0){
container.hide();
}
});
</script>