(function($) {
		 $.fn.thumbPopup = function(options)
		 {
		 		 //Combine the passed in options with the default settings
		 		 settings = jQuery.extend({
		 		 		 popupId: "thumbPopup",
		 		 		 popupCSS: {'border': '1px solid #000000', 'background': '#FFFFFF'},
		 		 		 imgSmallFlag: "_m",
		 		 		 imgLargeFlag: "_l",
		 		 		 cursorTopOffset: 15,
		 		 		 cursorLeftOffset: 15,
		 		 		 loadingHtml: "<span style='padding: 5px;'>Loading</span>"
		 		 }, options);
		 		 
		 		 //Create our popup element
		 		 popup =
		 		 $("<div />")
		 		 .css(settings.popupCSS)
		 		 .attr("id", settings.popupId)
		 		 .css("position", "absolute")
		 		 .appendTo("body").hide();
		 		 
		 		 //Attach hover events that manage the popup
		 		 $(this)
		 		 .hover(setPopup)
		 		 .mousemove(updatePopupPosition)
		 		 .mouseout(hidePopup);
		 		 
		 		 function setPopup(event)
		 		 {
		 		 var fullImgURL = $(this).attr("alt");
		 		 $(this).data("hovered", true);
		 		 		 
		 		 		 //Load full image in popup
		 		 		 $("<img />")
		 		 		 .bind("load", {thumbImage: this}, function(event)
		 		 		 {
		 		 		 		 //Only display the larger image if the thumbnail is still being hovered
		 		 		 		 if ($(event.data.thumbImage).data("hovered") == true) {
		 		 		 		 		 $(popup).empty().append(this);
		 		 		 		 		 updatePopupPosition(event);
		 		 		 		 		 $(popup).show();
		 		 		 		 }
		 		 		 		 $(event.data.thumbImage).data("cached", true);
		 		 		 })
		 		 		 .attr("src", fullImgURL);
		 		 		 
		 		 		 //If no image has been loaded yet then place a loading message
		 		 		 if ($(this).data("cached") != true) {
		 		 		 		 $(popup).append($(settings.loadingHtml));
		 		 		 		 $(popup).show();
		 		 		 }
		 		 		 
		 		 		 updatePopupPosition(event);		 		 		 
		 		 }
		 		 
		 		 function updatePopupPosition(event)
		 		 {
		 		 		 var windowSize = getWindowSize();
		 		 		 var popupSize = getPopupSize();
		 		 		 if (windowSize.width + windowSize.scrollLeft < event.pageX + popupSize.width + settings.cursorLeftOffset){
		 		 		 		 $(popup).css("left", event.pageX - popupSize.width - settings.cursorLeftOffset);
		 		 		 } else {
		 		 		 		 $(popup).css("left", event.pageX + settings.cursorLeftOffset);
		 		 		 }
		 		 		 if (windowSize.height + windowSize.scrollTop < event.pageY + popupSize.height + settings.cursorTopOffset){
		 		 		 		 $(popup).css("top", event.pageY - popupSize.height - settings.cursorTopOffset);
		 		 		 } else {
		 		 		 		 $(popup).css("top", event.pageY + settings.cursorTopOffset);
		 		 		 }
		 		 }
		 		 
		 		 function hidePopup(event)
		 		 {
		 		 		 $(this).data("hovered", false);
		 		 		 $(popup).empty().hide();
		 		 }
		 		 
		 		 function getWindowSize() {
		 		 		 return {
		 		 		 		 scrollLeft: $(window).scrollLeft(),
		 		 		 		 scrollTop: $(window).scrollTop(),
		 		 		 		 width: $(window).width(),
		 		 		 		 height: $(window).height()
		 		 		 };
		 		 }
		 		 
		 		 function getPopupSize() {
		 		 		 return {
		 		 		 		 width: $(popup).width(),
		 		 		 		 height: $(popup).height()
		 		 		 };
		 		 }
		 		 //Return original selection for chaining
		 		 return this;
		 };
})(jQuery);