$(document).ready(function () {

$(".preview").hide(); 

$(".small_thumb").hover(function(event) {
	var preview = $(this).parent().parent().find(".preview");
	
	if ($('#show_zoom:checked').val() !== undefined) {
		var yOffset = preview.height()/-2;
		
		var thumb_pos = $(this).position();
		var thumb_offset = $(this).offset();
		
		var left = thumb_pos.left + $(this).width() + 8;
		var top = thumb_pos.top + yOffset + 8;
		
		if (thumb_offset.left > $(window).width() - preview.width()) {
			left = thumb_pos.left - preview.width();
		}
		preview.css("top",(top) + "px").css("left",(left) + "px").fadeIn(300);
	}
},
function(){
	$(this).parent().parent().find(".preview").fadeOut(300);
});

});